58results about How to "Satisfied" patented technology

A defect inspection method is adapted to inspect a defect generated in a main pattern of a photomask. The main pattern includes a repetitive pattern in which unit patterns are periodically arranged. The method forms, an auxiliary pattern for inspection simultaneously with forming the main pattern. The auxiliary pattern includes a repetitive pattern having a period different from that of the main pattern. The method irradiates a light onto the auxiliary pattern at a predetermined incident angle and receives diffracted light generated by the auxiliary pattern by an observation apparatus to detect a defect of the auxiliary pattern, thereby determining the presence of a defect of the main pattern.

The invention discloses powdery compound feed for the anguilla marmorata black fry stage. The powdery compound feed comprises fish meal, pre-gelatinized starch, fermented soybean meal, extruded soybean, fish oil, beer yeast, mineral, monocalcium phosphate, choline chloride, vitamin complex and the like. Compared with the traditional feed, the powdery compound feed for the anguilla marmorata black fry stage, disclosed by the invention, has the advantages of comprehensive nutrition, little pollution to culture water and wide source of raw materials; and compared with the existing powdery compound feed for the Japanese anguilla japonica eel black fry stage, the powdery compound feed for the anguilla marmorata black fry stage, disclosed by the invention, has the advantages of high feed conversion rate, high digestion utilization rate, no need of coloring components and the like, and is green and pollution-free.

The invention discloses powdery compound feed for the anguilla marmorata adult stage. The powdery compound feed comprises fish meal, pre-gelatinized starch, fermented soybean meal, extruded soybean, fish oil, beer yeast, mineral, monocalcium phosphate, choline chloride, vitamin complex and the like. Compared with the traditional feed, the powdery compound feed for the anguilla marmorata adult stage, disclosed by the invention, has the advantages of comprehensive nutrition, little pollution to culture water and wide source of raw materials; and compared with the existing powdery compound feed for the Japanese eel adult stage, the powdery compound feed for the anguilla marmorata adult stage, disclosed by the invention, has the advantages of high feed conversion rate, high digestion utilization rate, high protein content, low fat content, no need of coloring components and the like, and is green and pollution-free.

The invention discloses a security isolation management and control system. The security isolation management and control system is provided with an identification subsystem, a management and control operation subsystem and a comprehensive processing subsystem, wherein the identification subsystem and the management and control operation subsystem are used for carrying out data protection on a network data layer and a high-layer protocol layer and management and control on a business and a behavior of a user, and the comprehensive processing subsystem is used for carrying out further comprehensive processing on a data package screened out by a front end device and completing the configuration and the management of strategies. Due to the adoption of the technical scheme, according to the security isolation management and control system disclosed by the invention, security protection can be comprehensively carried out on an emergency communication system device and the user, user non-inductivity and device non-inductivity can be met on the premise that the carrier-grade stability of a whole emergency communication system is ensured, and the stereoscopic protection on a private network can be realized through technical means such as network layer data protection, SIP (System In Package) protocol protection, business data protocol protection and user business management and control.

The invention discloses soft-granule pseudosciaena crocea medium compound feed which comprises fish meal, pre-gelatinized starch, extruded soybean, fermented soybean meal, corn protamine, fish oil, beer yeast, mineral, monocalcium phosphate, choline chloride, vitamin complex and the like. Compared with the traditional feed, the soft-granule pseudosciaena crocea medium compound feed disclosed by the invention has the advantages of comprehensive nutrition, little pollution to culture water and wide source of raw materials; and compared with the existing extruded granulated feed, the soft-granule compound feed has the advantages of high feed conversion rate, high digestion utilization rate and the like, and is convenient to produce and green and pollution-free.

The invention introduces a link-type optical fiber repeater signal transmission method and a link-type optical fiber repeater which comprise a power supply, a microprocessor, an antenna feeder system, a wireless receiver, a wireless transmitter, an outside optical fiber, a mixer, a power divider, an optical splitter, an optical transmitter, an optical receiver and the like, so that the optical fiber repeater can offer wireless communication relay transmission services to various wireless communication system users in special areas and tunnels, can meet the requirements of reducing the number of used optical fibers, the interference and isolation among systems and the like, so as to realize the long-distance optical transmission relay among optical fiber repeaters when there are a plurality of optical fiber repeater links, and be able to adapt to the relay transmission of various wireless communication systems.

The invention discloses an electric scarifier for gardens. A storage battery is arranged on the upper right side of the main body of the fuselage, a motor is arranged on the lower part of the main body of the fuselage, and a bracket is installed on the bottom of the main body of the fuselage. Rotating shaft, the described rotating shaft is provided with loosening tool, and one end of rotating shaft is equipped with gear, and described gear is connected with motor by connecting belt, and the left side of described fuselage main body is provided with toolbox, and the left side of described toolbox There is a telescopic adjustment device on the side, the lower end of the telescopic adjustment device is equipped with a bracket wheel, the top of the main body of the fuselage is provided with two groups of handle rods, and the handle of the left handle rod is equipped with a switch. The right side of the main body is movably connected with the seeding device through a fixed frame. The garden electric scarifier can meet the management requirements of nurseries, flowers, gardens and other facilities and can adapt to the space constraints in the greenhouse, and has good steering and operational flexibility.

The invention provides a laying hen compound feed containing enteromorpha powder, which is prepared by the following raw materials in percentage by weight: 1-5% of enteromorpha powder, 50-60% of corn, 2-5% of cotton meal, 1-6% of bran, 12-16% of bean meal, 1-12% of distillers dried grain solubles, 1-1.5% of soybean oil, 1-1.5% of monocalcium phosphate, 5-10% of limestone, 0.1-0.5% of salt, 0.1-0.5% of lysine and 0.1-0.5% of premix compound. All the raw materials are smashed to be completely screened by a standard screen with 30 meshes, the screened raw materials are pelletized at 80 DEG C, and the gelatinization degree reaches 90%. The laying hen compound feed containing enteromorpha powder disclosed by the invention can meet the nutritional requirements of laying hens from the period before egg laying to the period of egg laying, the death rate of the laying hens is improved, and the cost of the feed is lowered.

The invention relates to the technical field of ultrathin batteries, in particular to a novel ultrathin battery. The novel ultrathin battery comprises a positive electrode substrate, a negative electrode substrate, a positive electrode granular material, a negative electrode granular material, a diaphragm, a positive tab and a negative tab, wherein the positive electrode particle material and thenegative electrode particle material are respectively coated on the positive electrode base material and the negative electrode base material, the positive electrode base material and the negative electrode base material are separated by using a diaphragm, and the positive electrode base material, the negative electrode base material, the positive electrode particle material, the negative electrode particle material, the diaphragm, the positive electrode lug and the negative electrode lug are packaged by using aluminum plastic films and are filled with electrolyte. The invention further provides a preparation process of the novel ultrathin battery, the production process is simplified, the processing is simple, the production consumables are small, the yield is high, the production cost islow, the battery capacity is high, the appearance is smooth and not easy to soften, the hardness meets the high-strength use requirement, and the novel ultrathin battery has market prospects and is suitable for popularization.

The invention discloses an indoor decoration design method based on an AR virtual reality technology. The method comprises the following steps: S1, establishing a three-dimensional model database of indoor decoration cases; s2, collecting house data; s3, according to the house data, matching is carried out from a database according to the priority sequence of house types, contours and sizes, and ahouse three-dimensional decoration effect picture set classified according to different styles is obtained; s4, selecting any effect picture from the three-dimensional decorative effect picture set in S3, and performing single-part decorative replacement from the three-dimensional model database; forming a final three-dimensional decorative effect picture; s5, based on the VR technology, the final three-dimensional decorative effect picture is presented in a virtual display effect, and the step S4 is repeated for replacement; the indoor decoration design system based on the AR virtual realitytechnology comprises a database; an input module; a matching module; a design module; imaging module. The method has the advantages of high determination efficiency and high participation degree.

The invention discloses an engine high-pressure rotor narrow and small space connecting nut assembly device and an operation method. The engine high-pressure rotor narrow and small space connecting nut assembly device comprises a locating and pressing mechanism, an angular indexing mechanism, a lifting and locating mechanism, a track folding torque input mechanism, a nut and turbine shaft end tooth initial angular locating mechanism, an auxiliary locating seat placing and taking mechanism and a rotor assembly simulation assembly torque measurement mechanism. The track folding torque input mechanism is assembled on the angular indexing mechanism and is matched and connected with an electric wrench. The angular indexing mechanism is matched and connected with the upper end face of the locating and pressing mechanism. The lifting and locating mechanism is perpendicularly connected to the upper end face of the angular indexing mechanism. The engine high-pressure rotor narrow and small space connecting nut assembly device is reliable in structure, convenient to operate and good in usability, can effectively meet the requirements for assembly operation of connecting nuts in a narrow andsmall space, can also accurately control the output torque while greatly improving the assembly efficiency and reduces the labor intensity of an operator.

The invention provides a planar-unfolding antenna cable high / low-temperature torque testing device. The planar-unfolding antenna cable high / low-temperature torque testing device includes a star simulation board, a mounting bottom board, a driving disc of a measurement acquisition system, an antenna simulation side board, a counterweight, an antenna simulation middle board and an inter-board cable; the star simulation board and the driving disc of the measurement acquisition system is mounted on the mounting bottom board; the antenna simulation side board and the counterweight are mounted on the driving disc of the measurement acquisition system, and the antenna simulation side board in an antenna-folded state; the antenna simulation middle board is fixed on the star simulation board; one end of the inter-board cable is bound on the star simulation board, and the other end of the inter-board cable is bound on the antenna simulation side board; the driving disc of the measurement acquisition system drives the antenna simulation side board such that the antenna simulation side board can be converted from the antenna-folded state into an antenna-unfolded state; and the counterweight drives the antenna simulation side board such that the antenna simulation side board can be converted from the antenna-unfolded state into the antenna-folded state. The invention also provides a planar-unfolding antenna cable high / low-temperature torque testing method. According to the planar-unfolding antenna cable high / low-temperature torque testing method, the above planar-unfolding antenna cable high / low-temperature torque testing device is utilized to perform unfolding and folding simulation testing.

The invention relates to a method for boiler flue gas multi-stage heat exchange white smoke removal. The method comprises the following steps of S1, desulfurization spraying, wherein boiler flue gas enters a desulfurization tower for spraying desulfurization, and is saturated by water vapor or approaches to be saturated after passing through a desulfurization spraying region; S2, primary dust removal and mist removal, wherein the flue gas obtained after desulfurization in S1 enters a first stage rotational flow plate dust removal mist eliminator, and mist and fine dust particles in flue gas are removed; S3, cooling, wherein the flue gas obtained after dust removal mist eliminator in S2 flows to a cooling spraying liquid collecting region, and water vapor in the flue gas is separated out; S4, secondary dust removal and mist removal, wherein the flue gas obtained after cooling in S3 enters a secondary rotational flow plate dust removal mist eliminator, mist and fine dust particles in theflue gas are removed for the second time, the flue gas reaches the degree of saturation, and the flue gas is exhausted from a desulfurization tower; S5, heating and discharging, wherein flue gas exhausted in S4 enters a heat exchanger, after heating is performed through the heat exchanger, the degree of saturation of the flue gas is lowered, and the flue gas is exhausted to the atmosphere througha chimney.

The invention discloses a stevia two-section floating plate cutting seedling culture method. Floating plates are used for stevia cutting seedling culture; one floating plate seedling culture plate water pool is arranged in the tree shade, and the other floating plate seedling culture plate water pool is arranged in the sunshine; firstly, the stem sections of the stevia are cut in the floating seedling culture plate in the tree shade; after the rooting and survival, the stem sections and the floating plate are jointly transferred into a sunshine water pool for culture and seedling strengthening. The seedling culture method has the advantages that the cutting survival rate can be improved; the strengthening seedling can be cultured; meanwhile, the seedling culture management work quantity can be reduced; the work efficiency is improved.

The invention discloses a permanent type hair dying composition. The composition comprises a first agent containing an alkaline agent and a second agent containing hydrogen peroxide, the composition is characterized in that the first agent containing the alkaline agent is prepared from, by weight, component A) phosphate based emulgator; component B) at least one kind of grease; component C) at least one kind of alkaline agent; based on the total weight of the permanent type hair dying composition, the content of the grease is 30-90wt%. According to the permanent type hair dying composition, the grease, the phosphate based emulgator, the first agent which is composed of the alkaline agent and the second agent with a specific content are mixed according to the proportion, and the permanent type hair dying composition with no ammonia smell can be obtained, wherein without the help of the inorganic ammonia source alkaline agent such as ammonia water, the requirements of fading shallow and dyeing colors for black hair can be met.

The invention provides a chain type transmission method for a fiber optic repeater. A link type fiber optic repeater comprises a power supply, a microprocessor, an antenna system, a wireless receiver, a wireless transmitter, an outside optical fiber, a combiner, a power splitter, a time-division multiplexer comprising an analog-digital converter, a time-division multiplexer comprising a digital-to-analog converter, an optical splitter, an optical transmission transmitter and an optical transmission receive. The wireless communication relay transmission service can be provided for various wireless communication system users in special areas and tunnels, the numbers of used optical fibers is reduced, the interference between systems is reduced, the optical relay transmission and isolation between systems can be improved, and the link type fiber optic repeater has the characteristic of conducting relay transmission on various wireless communication systems.

The invention provides an intelligent LOGO design method and system and a storage medium. The intelligent LOGO design method comprises the steps of receiving design information input by a user, wherein the design information comprises brand information, industry classification and a preference color system, and the brand information is character information to be displayed on a designed LOGO; extracting a keyword from the brand information; performing joint retrieval in a pre-established database based on the keywords and the industry categories to obtain graphic elements matched with the keywords and the industry categories; generating a LOGO image based on the graphic elements; and displaying the generated LOGO image. According to the intelligent LOGO design method, the relevance betweenthe generated LOGO and the brand can be enhanced, so that the generated LOGO is more suitable for the meaning expressed by the brand name.

The invention aims to provide an engine capable of directly injecting natural gas for multiple times under high pressure in a cylinder and a layered rapid combustion method thereof. The engine comprises an air cylinder cover, an air cylinder wall, a piston, an air inlet channel, an air inlet valve, an exhaust channel, an exhaust valve, a high-pressure natural gas injection valve, a high-pressure natural gas supply pipeline and a spark plug, wherein the cylinder cover, the cylinder wall and the spark plug form a combustion chamber, the combustion chamber is hemispherical, the air inlet channel,the exhaust channel, the high-pressure natural gas injection valve, the high-pressure natural gas supply pipeline and the spark plug are arranged in the cylinder cover, the high-pressure natural gassupply pipeline is connected with the high-pressure natural gas injection valve, the air inlet valve is arranged in the air inlet channel, the exhaust valve is arranged in the exhaust channel, and thehigh-pressure natural gas injection valve is located between the air inlet channel and the spark plug. The engine is advantaged in that layered combustion of different gradients under different loadscan be achieved, the ignition stability of the natural gas engine is guaranteed, economical efficiency and dynamic property of the engine are effectively improved, and emission is reduced.

The invention provides a housing and an electronic device. A display panel is fixedly disposed in the housing. The housing comprises a front housing, a rear housing and a combination member. The rear housing has a first side edge. The combination member is disposed on the front housing, extends on a first axis, and has a first inclined edge. The first side edge is along a second axis, and the second axis crosses the first axis. The first side edge and the first inclined edge cross in a first intersection point. The combination member is folded toward a third axis along the first intersection point. The combination member abuts against and clamps the first side edge, so the front housing and the rear housing are clamped together to fixedly install the display panel in a first space. The third axis crosses the first axis and the second axis. Therefore, the assembling tolerance can be avoided, and the housing can meet the requirement of fitting assembly of a front housing and a rear housing with many dimensions.

The invention discloses an unsaturated zone-groundwater pollution correlation simulation experiment method, which is realized by an unsaturated zone-groundwater pollution correlation simulation experiment platform. The experiment platform comprises a dynamic water level simulation device, an unsaturated zone simulation device and a rainfall irrigation simulation device. Through adding various pollution sources at different depths in the unsaturated zone simulation device, migration and transformation of the pollution sources in the unsaturated zone are stereoscopically monitored, the migrationand transformation process after entering an aquifer is stereoscopically monitored, and a complete stereoscopic pollution source simulation experiment method with vertical unsaturated zone infiltration and horizontal aquifer migration is formed.

The invention relates to a releasing agent for a medical silk adhesive tape, which comprises the following components in percentage by weight: 1-9% of hydrogen-containing silicone oil, 1-9% of cationic hydroxy silicone oil, 0.1-0.3% of metal salt crosslinking agent and the balance of water, wherein the metal salt crosslinking agent is aluminum trichloride, zinc acetate or dibutyltin dilaurate. In the invention, the used water-soluble releasing agent comprises the main components of hydrogen-containing silicone oil and cationic hydroxy silicone oil and a proper amount of metal salt crosslinking agent, and is prepared by mixing and stirring the three components with water. When being coated on the other surface of a silk adhesive tape substrate, the releasing agent product provided by the invention can greatly reduce the unwinding force of the adhesive tape; and the adhesive tape can not slip off by itself even if the unwinding force is quite small, thereby ensuring that the adhesive tape is convenient and labor-saving to use.

The invention relates to a vacuum saturation device for a soil engineering centrifugal model test, and the device provided by the invention comprises a vacuum pump used for supplying power to the whole device, wherein one end of the vacuum pump is connected to a power control cabinet while the other end of the vacuum pump is connected to a water vapor separating jar which is used as the energy storage of the whole device; the water vapor separating jar is connected to the power control cabinet through an electric contact vacuum pressure gage; the vacuum pump is turned off and turned on in real time according to the higher and lower limit values of pressure preset by the electric contact vacuum pressure gage; a three-way valve is arranged on the top of the water vapor separating jar; a first vapor outlet of the three-way valve is connected to a saturation box for supplying a saturation space through a first pipeline; the saturation box is separated from the whole device; a second vapor outlet of the three-way valve is connected to an oil supply jar of a saturation system through a second pipeline; and the bottom of the oil supply jar is connected to a model box in the saturation box through a third pipeline. The vacuum saturation device is not limited by the volume of a saturation object, the saturation speed is controllable, and the saturation quality is ensured.

The invention discloses an automatic batch kebab penetration machine, and relates to the field of food processing. The automatic batch kebab penetration machine solves the problems that the penetration of kebab products of different length specifications can not be adapted since a material placement operation space and a stick placement operation space of an existing kebab penetration machine arerestricted and a stick folding phenomenon is likely to happen since the perpendicularity of a kebab stick is poor. A machine head optical axis stand column is fixed on the rear side wall of a machinebody supporting frame along a vertical direction, and a material placement plate group is horizontally arranged on the machine body supporting frame; a finished product collection box is arranged justbelow the material placement plate group; a stick pressing component and a stick spacing component are arranged just above the material placement plate group from top to bottom in sequence and are independently rotatably connected with the machine head optical axis stand column; the upper part of the machine head optical axis stand column is provided with a first external thread; multiple groupsof material placement plates of the material placement plate group are overlaid and distributed in sequence from top to bottom; a plurality of material placement modules of each group of material placement plates are arranged on the same horizontal plane in parallel from front to back; and adjacent material placement modules are connected in a pulling and drawing way. The automatic batch kebab penetration machine is used for the mass production of kebab products.

The invention provides a light high-rigidity porous grid carbon fiber honeycomb for space, a preparation method and an application. Honeycomb grids are hexagonal grids defined by a pore wall material;and the pore wall material is a porous carbon fiber fabric composite material, and pores in the pore wall material are square pores arranged in a matrix mode. Ultrathin high-modulus carbon fiber one-way prepreg is prepared on the basis of a fiber thinning technology and cut into extremely narrow prepreg blocks, porous grid carbon fiber prepreg fabric is woven to serve as a carbon fiber honeycombpreparation raw material, and a preparation tool is a combined preparation mold of a conformal concave-convex fluctuation upper mold / lower mold, group hexagonal core columns and a side edge limiting block. The prepreg blocks and the hexagonal core columns are sequentially and repeatedly paved on the mold until the required honeycomb breadth is reached, and specific curing pressure suitable for honeycombs with different breadths is applied to finish integrated co-curing of an assembly, so that preparation of the light high-rigidity porous grid carbon fiber honeycomb is realized. The technical index requirements of rigidity, gas escape, temperature alternating environment resistance and the like of the honeycomb are met.

The invention discloses a thermotropic fluorescence coal mining machine cable, and the cable comprises a cable core, an aramid yarn braided layer, an outer sheath and an outer sheath; the aramid yarnbraided layer, the outer sheath and the outer sheath wrap the cable core from inside to outside, and the cable core is formed by twisting a plurality of insulated wires and control wire cores; each insulating wire core comprises a conductor and an insulating layer wrapping the conductor, each control wire core is formed by twisting a middle pad and a plurality of control wires, each control wire comprises an aramid fiber wire bundle, an inner rubber layer, a wire layer and outer rubber which are arranged from inside to outside, and each wire layer is formed by winding a control wire. Accordingto the thermotropic fluorescence coal mining machine cable, the conductor structure, the insulating braid layer, the control line structure and the outer sheath are improved, so that the cable has the characteristics of long service life, thermotropic fluorescence, bending resistance, high strength and impact resistance, and is very suitable for coal mining working conditions.

The invention discloses a security isolation management and control system. The security isolation management and control system is provided with an identification subsystem, a management and control operation subsystem and a comprehensive processing subsystem, wherein the identification subsystem and the management and control operation subsystem are used for carrying out data protection on a network data layer and a high-layer protocol layer and management and control on a business and a behavior of a user, and the comprehensive processing subsystem is used for carrying out further comprehensive processing on a data package screened out by a front end device and completing the configuration and the management of strategies. Due to the adoption of the technical scheme, according to the security isolation management and control system disclosed by the invention, security protection can be comprehensively carried out on an emergency communication system device and the user, user non-inductivity and device non-inductivity can be met on the premise that the carrier-grade stability of a whole emergency communication system is ensured, and the stereoscopic protection on a private network can be realized through technical means such as network layer data protection, SIP (System In Package) protocol protection, business data protocol protection and user business management and control.

The invention discloses a quantifiable distraction lifting device for lumbar spondylolisthesis reduction. The quantifiable distraction lifting device comprises a vertical upper supporting rod, the left side of the top end is integrally connected with a horizontal graduated scale and the bottom is rotatably connected with a sleeve A through a universal joint coupling; sawteeth are arranged at the top of the graduated scale in the length direction of the graduated scale, a vertebral body deviation rectifying device is horizontally connected to the graduated scale in a sliding mode, and the vertebral body deviation rectifying device is used for opening and lifting the lesion slipping vertebral body part and resetting the lesion slipping vertebral body part. Known from the structure of the invention, the traditional mode of lifting and resetting the vertebral body by bare hands is changed; an opening and lifting device is adopted, after the vertebral body is strutted and lifted during an operation, the slipping lesion between the vertebral bodies can be effectively improved, the comfort level of a patient is high, meanwhile, the strutting and lifting amplitude of the vertebral body iscontrolled through a quantifiable operation mode, the vertebral body correction amount is not likely to be too small or too large, the accuracy of lesion vertebral body reset is greatly improved, andthe operability and stability of the whole device are higher.

The invention discloses a vertical radiator automatic core assembling machine. The vertical radiator automatic core assembling machine structurally comprises a rack mechanism, a left main board pressing mechanism, a left servo driving mechanism, a tube falling device, a right servo driving mechanism, a right main board pressing mechanism and a workbench. The workbench is arranged in the middle of one side of the rack mechanism, the left main board pressing mechanism and the right main board pressing mechanism are of the same structure and are symmetrically arranged at the two sides of the workbench, the left servo driving mechanism is arranged at one side of the rack mechanism and drives the left main board pressing mechanism to move transversely, and the right servo driving mechanism is arranged at the other side of the rack mechanism and drives the right main board pressing mechanism to transversely move. The core assembling machine can greatly achieve assembling of radiator cores of different specifications, and the tube containing amount of a stock bin can meet assembling of at least one whole cores. The tube falling height and the operation height of manual placement of heat dissipation belts are kept unchanged all the time when one or more layers of radiator cores are assembled in a driving and pressing manner, manual bowing operation is avoided, and the working efficiency is improved.

The invention discloses an assembly device and an operation method for connecting a nut in a narrow space of a high-pressure rotor of an engine. The positioning mechanism, the auxiliary positioning seat, the taking-out mechanism and the rotor assembly are simulated to assemble the torque measurement mechanism; the trajectory folding torque input mechanism is assembled on the angular indexing mechanism and connected with the electric wrench, and the angular indexing mechanism is connected to the On the upper end surface of the positioning and pressing mechanism, the lifting and positioning mechanism is vertically connected to the upper end surface of the angular indexing mechanism; the device has reliable structure, convenient operation, good performance, and can effectively meet the assembly operation of the connecting nut in a small space. While greatly improving the assembly efficiency, the output torque can also be precisely controlled, reducing the labor intensity of the operator.