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34results about How to "With replaceable" patented technology

Simulation test platform of electric routing inspection sensing equipment

The invention discloses a simulation test platform of electric routing inspection sensing equipment, and relates to the technical field of electric routing inspection. The simulation test platform comprises a wall beam A, a wall beam B, a hanging bin and routing inspection equipment, wherein slide wheel brackets are arranged on the wall beam A and the wall beam B which are arranged in parallel; double rows of slide wheels are arranged on the slide wheel brackets; drag cables are arranged on the two slide wheel slide slots at the same sides of the double rows of the slide wheels; ends of the two drag cables are separately connected with a winch A and a winch B on ground; the other ends of the two drag cables separately get across the two slide wheel slide slots at the same sides of the double rows of slide wheels, and are connected with the two ends of a connecting plate; simulation ground wires are arranged in the two slide wheel slide slots at the other sides of the double rows of slide wheels; the two ends of each ground wire are fixedly connected with counterweight blocks on ground separately; the hanging bin of the routing inspection equipment is arranged on the connecting plate; insulators are separately arranged on lower parts of double rows of slide wheels; and a simulation live wire is connected between the insulators. The simulation test platform can simulate main environments and objects of electric routing inspection, and is easily dismounted.
Owner:洛阳视距智能科技有限公司

Novel LED panel lamp

The invention discloses a novel LED panel lamp. The novel LED panel lamp comprises an outer plastic frame, an optical assembly, an LED luminous module, a rear cover and a power source; the outer plastic frame and the rear cover are matched to constitute a large cavity, and the optical assembly, the LED luminous module and the power source are all arranged inside the large cavity; the LED luminous module is composed of at least one LED luminous lamp strip, and each LED luminous lamp strip is arranged on the periphery of the optical assembly; the power source is electrically connected with the LED luminous module. The novel LED panel lamp has the advantages that the LED luminous lamp strips can be replaced, the heat dissipation effect is good, assembly and disassembly are easy, the flame retardant rating is improved, no weld joint is produced, production cost is lowered, the power source is arranged inside, and the novel LED panel lamp is beautiful.
Owner:林健洪

Anti-explosion pressure release device of reinforced concrete safety shell of nuclear power plant

The invention relates to an anti-explosion pressure release device of a reinforced concrete safety shell of a nuclear power plant. The anti-explosion pressure release device comprises the following constituting parts: a piston, a protection cover as well as a safety airbag, wherein the piston is fixedly sealed at a pressure release hole in the top of a safety shell; the protection cover is arranged on the outer side of the piston in a sealing and covering manner; the protection cover is solidly connected with the safety shell; the safety airbag is used for absorbing and storing a radioactive gas which is ejected out from the pressure release hole when the piston is cracked or is ejected out under stress; the safety airbag is arranged at the peripheral side of the pressure release hole in a covering manner, or is arranged on the protection cover. By adopting the anti-explosion pressure release device, the difficulty of pressure release is solved when the reinforced concrete safety shell of the nuclear power plant is internally exploded or subjected to internal high pressure, so that serious nuclear leak which can be caused by overall damage of the safety shell is avoided, the reliable, easily detached and removable pressure release device is provided for safety operation of the nuclear power plant, the pressure release device can be widely applied to design of conventional pressurized water reactor nuclear power plants and has wide market prospects.
Owner:HEFEI UNIV OF TECH

Uniaxial straddle type bogie dynamic parameter and traction dynamic performance test bench

The invention relates to a uniaxial straddle type bogie dynamic parameter and traction dynamic performance test bench, which comprises a bogie guidance and stabilization system test device, a walkingwheel traction and posture driving system device, a cloud rail vehicle constraint truss and two-degree-of-freedom moving vehicle body device and a test load weight frame device which are mounted on atest area iron floor 3; the test bench meets the need to test the main dynamic parameters for the uniaxial straddle type monorail bogie in the operating state, performs dynamic and static testing on stiffness parameters of the single uniaxial straddle type monorail bogie, and truly simulates five forms of movement of lateral moving, vertical moving, yawing, rolling and nodding of the uniaxial straddle type monorail vehicle by applying the lateral force to the four guide wheels, the lateral force to the two stabilizing wheels, the lateral force and the vertical force to the travelling wheel ofthe uniaxial straddle type monorail vehicle.
Owner:JILIN UNIV

Separate-type bridge pier anti-collision system

The invention discloses a separate-type bridge pier anti-collision system which comprises an anti-collision body. The anti-collision body is arranged on the periphery of a bridge pier and fixed to a steel plate embedded in a bearing platform through a welding process; the anti-collision body is characterized by comprising an air isolation layer, an inner protective cylinder, a buffer layer and an anti-collision layer, wherein the air isolation layer wraps a bridge pier column, the inner protective cylinder wraps the air isolation layer, and the buffer layer is arranged on the periphery of the inner protective cylinder, and the periphery of the buffer layer is wrapped by the anti-collision layer; the bottom of the anti-collision body is fixedly connected with the steel plate embedded on the bearing platform through welding. The separate-type bridge pier anti-collision system has the advantages of achieving a very good energy absorption effect, being replaceable, low in maintenance cost and environmentally friendly and the like.
Owner:FOSHAN UNIVERSITY

Fuse protector and fuse protector base thereof

The invention discloses a fuse protector and fuse protector base thereof. The fuse protector base comprises a shell and a fuse puller connected with the shell in a sliding mode; at least two sets of parallel contact assemblies are arranged in the shell, and each contact assembly comprises two relative set base contacts. The base contacts comprise a spring cover-clip for clamping both ends of side wall, and electric connection parts connected with the spring cover-clip; a corresponding number of slots with the contact assemblies are arranged on the fuse pulley, and the slots comprise bayonets imbedded radically for the fuse protector and a clamping part which forms an interference fit for the fuse protector body; when the fuse puller slides out of the shell, the fuse protector body fixed in the slots and the spring cover-clip are disconnected simultaneously; when the fuse puller slides into the shell, the fuse protector body fixed in the slots and the spring cover-clip are connected simultaneously. The technology has the advantages of reducing the requirement of processing precision and improving the rate of finished products; and the technology is applied to different sizes of fuse protector body with different length, improving production efficiency and economic efficiency.
Owner:ZHEJIANG XINLI FUSE

Universal pneumatic muscle embedded controller

The invention discloses a universal pneumatic muscle embedded controller, comprising a control layer, a driving layer, and a sensing layer which are interconnected. The control layer is responsible for receiving the measurement data of the sensing layer and transmitting a control signal to the driving layer. The driving layer comprises a PWM signal amplifying circuit and a high speed switching valve. The input end of the PWM signal amplifying circuit is connected to a PWM output module of the control layer, and receives PWM signals generated by the PWM output module. The output of the PWM signal amplifying circuit is connected to the high speed switching valve. The circuit structure of the PWM signal amplifying circuit is a form in which a follower and a switching transistor are connectedin series, and does not use an optocoupler switch, and is simple and can receive higher frequency input signals. The universal pneumatic muscle embedded controller realizes the integration of control,driving and sensing, and a frequency output of 200 Hz by designing a driving board, which is 10 times higher than that of a conventional driver, and ensures that two PWM signals are not issued at thesame time to avoid conflicts by using a logic module.
Owner:NORTHEASTERN UNIV

Torsion support with vertical displacement function

The invention discloses a torsion support with a vertical displacement function. The torsion support comprises a support top board, a support bottom board and position control springs. A bulb base isarranged in the center position of the bottom face of the support top board, and a supporting bulb is installed on the bulb base. A supporting base is arranged in the center position of the support bottom board, the supporting bulb is arranged in the supporting base, and the supporting bulb and the supporting base are spherically hinged. The four position control springs are arranged and evenly arranged between the support bottom board and the support top board in the circumferential direction with the supporting base as the center so as to pull and connect the support top board with the support bottom board. The torsion support can provide X-axis, Y-axis and Z-axis displacement, X-axis, Y-axis and Z-axis coupled rotating angle displacement and vertical translational motion displacement, the effects that the torsional amplitude of a bridge floor is controlled, and the torsion vibration characteristic of a bridge is changed are achieved, brittle failure of the connecting position of a pier and the bridge floor is effectively avoided, and the safety of the bridge is enhanced. The torsion support has the beneficial effects that applicability is wide, installation is convenient, the support can be automatically reset, and parts can be replaced.
Owner:LIAONING UNIVERSITY OF TECHNOLOGY

A fuse and its fuse base

The invention discloses a fuse protector and fuse protector base thereof. The fuse protector base comprises a shell and a fuse puller connected with the shell in a sliding mode; at least two sets of parallel contact assemblies are arranged in the shell, and each contact assembly comprises two relative set base contacts. The base contacts comprise a spring cover-clip for clamping both ends of side wall, and electric connection parts connected with the spring cover-clip; a corresponding number of slots with the contact assemblies are arranged on the fuse pulley, and the slots comprise bayonets imbedded radically for the fuse protector and a clamping part which forms an interference fit for the fuse protector body; when the fuse puller slides out of the shell, the fuse protector body fixed in the slots and the spring cover-clip are disconnected simultaneously; when the fuse puller slides into the shell, the fuse protector body fixed in the slots and the spring cover-clip are connected simultaneously. The technology has the advantages of reducing the requirement of processing precision and improving the rate of finished products; and the technology is applied to different sizes of fuse protector body with different length, improving production efficiency and economic efficiency.
Owner:ZHEJIANG XINLI FUSE

Two-stage energy consumption assembly type RC frame joint with beam-falling-prevention device

The invention relates to a two-stage energy dissipation assembly type RC frame joint with a beam-falling-prevention device. The two-stage energy dissipation assembly type RC frame joint comprises a prefabricated concrete column, built-in beam-falling-prevention dampers fixed in a prefabricated concrete composite superposed beam, a built-in compression resistant damper, a steel cable and an end steel plate, wherein the built-in compression resistance damper, the steel cable and the end steel plate are fixedly arranged on lower column channel steel; the built-in beam-falling-prevention dampers in a left beam and a right beam are connected through the steel cable; the end steel plate is arranged in the middle of the steel cable; the built-in beam-falling-prevention dampers and the built-in compression resistant damper are fixed; the reserved longitudinal bars of a lower precast concrete column and the reserved longitudinal bars of an upper precast concrete column are connected through steel bar sleeves; and the longitudinal bars on the upper portion of the beam penetrate through beam embedded stirrups to complete concrete pouring. The defects that an existing assembly type beam-column joint is complex in site construction procedure, and the anti-seismic effect of an assembly type joint is poor are overcome. The energy consumption forms are diversified, each memory alloy column and compression resistant rubber in the built-in compression resistant damper consume energy in the first stage, the built-in beam-falling-prevention dampers consume energy in the second stage, and therefore dangerous situations such as beam falling and the like of the beam-column joint can be prevented.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Grate plate for a grate cooler

The invention relates to a grate plate (1) for use in a grate cooler for hot bulk material, comprising a first working region (2) which is alternatingly covered by a further grate plate (1) during useof the grate plate (1) in a grate cooler, and which has at least one bag (5) for holding bulk material as an autogenous wear protection layer, and comprising a second working region (3) which is notcovered by a further grate plate (1) during use of the grate plate (1), and which has at least one bag (5) for holding bulk material as an autogenous wear protection layer and having at least one opening (6) leading to the underside of the grate plate (1) for the introduction of cooling air. According to the invention, the height (8) of the bags (5) in the covering region (2) is smaller than the height (7) of the bags (5) in the covering-free region (3), and the base of the bags (5) in the covering region (2) is respectively formed by multiple segments (9), the surfaces of which function as contact surfaces for bulk material and between which gap-like cooling air channels (10) are formed, wherein the openings of the cooling air channels (10) provided between the upper sides of the segments(9) are each oriented at a certain angle to the vertical, such that a respective acute angle occurs between the conveying direction and the direction of the cooling air flow via these openings.
Owner:KHD HUMBOLDT WEDAG GMBH

A gold wire-free Schottky diode and its manufacturing method

ActiveCN113851447BSolve the problem of easy mutual contactRealize the function of series resistanceSemiconductor/solid-state device detailsSolid-state devicesEngineeringSchottky diode
The invention provides a gold wire-free Schottky diode, comprising an insulating package shell, a Schottky chip, a first pin, an auxiliary conductive sheet, and a second pin, and the Schottky chip is located in the insulating package Inside the shell, the lower end of the Schottky chip is electrically connected to the first pin, and the upper end of the Schottky chip is electrically connected to the auxiliary conductive sheet; the second pin is fixed on the insulating package The bottom of the shell; the insulating packaging shell is provided with through holes consistent with the number of the second pins, the through holes are located on one side of the auxiliary conductive sheet, each of the through holes is filled with conductive resin, The electrical connection between the auxiliary conductive sheet and the second pin is realized through the conductive resin. The Schottky diode and the manufacturing method thereof of the present invention do not need to weld gold wires, and solve the problems that the gold wires are difficult to weld and the gold wires are easy to contact each other.
Owner:先之科半导体科技(东莞)有限公司

A press-type assembled plastic electronic toy for children

The invention relates to electronic toys and in particular relates to a push type assembling child plastic electronic toy. Therefore, according to the technical problem in the invention, the inventionprovides the push type assembling child plastic electronic toy which is capable of replacing small components and high in interestingness. According to the technical scheme of the invention, the pushtype assembling child plastic electronic toy comprises a lower shell, a bearing block, a rotating shaft, a gear, a first sliding rail, a first slide block, a rack, a first groove, a first spring, a rotating disc, a clamping device, fan blades and the like, wherein the bearing block is embedded into the rear side of the bottom of the lower shell; the rotating shaft is in interference fitting withthe interior of the bearing block; the gear is fixedly connected to the rotating shaft; the rear side of the rear of the lower shell is fixedly connected with the first sliding rail. According to thepush type assembling child plastic electronic toy disclosed by the invention, the functions of attracting children and increasing the interestingness are realized, the function of clamping the rotarysmall component is realized, the rotary small component can be replaced, and the function of lightening the electric lamp is also realized, so that the toy is attractive. The push type assembling child plastic electronic toy disclosed by the invention has the characteristics of being capable of replacing small components, high in interestingness and the like.
Owner:ZHEJIANG LANYU INTELLIGENT TECH CO LTD

Fixed point torsion damping support with self-resetting function

The invention relates to a fixed point torsion damping support with a self-resetting function and belongs to the field of dampers. The fixed point torsion damping support comprises an upper top plateof the support, a resetting type damping piston cylinder and a bottom bin of the support, wherein the resetting type damping piston cylinder is fixed in the bottom bin of the support through a fixingblock and a bolt, and the upper top plate of the support is connected with a piston rod bulb of the resetting type damping piston cylinder and a central post on the bottom bin of the support and is arranged at the uppermost end of the support. The support provided by the invention can control the torsion amplitude of a bridge and change vibration characteristics to avoid brittle failure of connecting parts so as to improve the safety of the bridge; furthermore, under large torsion vibration, by virtue of damping characteristics, the support can effectively reduce high-frequency vibration caused by wind and earthquake, control the relative vibration amplitude of the bridge and a bridge deck as well as consume external energy input; after the vibration is finished, the support can be automatically reset; and the support has the advantages of wide applicability, convenient installation, automatic resetting, replaceable parts and the like.
Owner:LIAONING UNIVERSITY OF TECHNOLOGY

Nasal mask

The invention discloses a nasal mask. The nasal mask comprises a mask body, a sealing part, a filter part and an ear-hook unit, wherein the mask body defines a covering space and comprises a first assembly edge defining a covering opening and a second assembly edge defining a vent hole; the covering opening and the vent hole communicate with the covering space; the sealing part is arranged on the first assembly edge and extends along the covering opening in a surrounding mode; the filter part is combined to the second assembly edge detachably and covers the vent hole; and the ear-hook unit comprises two hanging frames combined with the mask body, and the two hanging frames are located on the two sides of the position, close to the covering opening, of the mask body. The nasal mask is used for being worn on the face of a wearer and covering the nasal part so as to filter air inhaled during breathing.
Owner:唐旭莲

Micro-flash disk for determining data safety

The present invention provides a kind of micro-flash disk (Mini Flash Disk) that guarantees data security, has a casing that conforms to the hard disk standard specification specified by International Organization Technical Committee T13, the size is 2.5 inches or 1.8 inches in width, and on the casing There is a control chip connected to the external connection port, and at least two connection units connected to the control chip and having the same interface specification. The connection units can be connected to a flash memory device respectively, so that the control chip can store data in the first flash memory. The data in the device is mirrored to the second flash memory device to ensure the security of the data in the micro flash disk.
Owner:INNODISK CORP

Two-stage energy dissipation fabricated rc frame joint with anti-drop beam device

The invention relates to a two-stage energy-consuming assembled RC frame node with an anti-fall beam device, comprising: a prefabricated concrete column, a built-in anti-fall beam damper fixed in the precast concrete composite superimposed beam and fixedly arranged on the lower column respectively Built-in anti-compression dampers for channel steel, steel cables, end steel plates. The built-in anti-drop beam shrinkage dampers in the left and right beams are connected by steel cables, and the end steel plates are set in the middle of the steel cables; The reserved longitudinal reinforcement of the upper column is connected through the reinforcement sleeve, and the upper longitudinal reinforcement of the beam passes through the pre-embedded stirrup of the beam to complete the concrete pouring. The invention solves the shortcomings of the existing fabricated beam-column joints, such as complex on-site construction procedures, poor seismic effect of the assembled joints, and the like. The forms of energy consumption are diversified. In the first stage, memory alloy columns and anti-compression rubber in the built-in anti-compression damper consume energy. In the second stage, the built-in anti-drop beam damper consumes energy, and can prevent beam-column joints from falling beams and other dangerous situations. .
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

A pressure oil-supplied piston oscillation cooling visual test device

The invention belongs to the field of internal combustion engines, and specifically discloses a pressure oil supply type piston oscillation cooling visualization test device, which comprises a motion mechanism, a visualized piston group, a cylinder liner, an oil supply mechanism and an observation mechanism. The motion mechanism is used to drive the visual piston group to reciprocate in the cylinder liner; the visual piston group includes the transparent test piston and the guide piston; the oil supply mechanism includes the outer oil supply pipe of the frame, the outer auxiliary connecting rod, the inner auxiliary connecting rod, and the oiling The hard pipe and the oiling hose assembly, the outer auxiliary connecting rod and the inner auxiliary connecting rod are movably connected, and there are inner oil passages in them. The oil supply mechanism is used to supply oil to the transparent test piston pressure; the observation mechanism is used to pass through the cylinder. The observation window on the sleeve takes pictures of the inside of the transparent test piston. The invention drives the movement of the visualized piston group through the motion mechanism, and cooperates with the pressure oil supply mechanism based on the auxiliary connecting rod and the observation mechanism based on the transparent test piston, so that the oscillation of the cooling oil of the marine diesel engine piston can be simulated and visualized.
Owner:HUAZHONG UNIV OF SCI & TECH

Novel geological magnifier

InactiveCN102162911BDetermination of structural featuresEasy to carryParticle size analysisMagnifying glassesMagnifying glassMagnification
A novel geological magnifier mainly solves the problem that the existing amplifier has a large error in observing a rock particle structure. The novel geological magnifier is characterized in that a parallel light source for vertical irradiation downwards is fixed at the center of a large arc end of the top cover of a protection case; a rotary blind hole is formed on the small arc end of the top cover of the protection case and is used for allowing the upper end of a rotary shaft to be inserted therein; the base of the protection case has an annular large arc end; a transparent hard film is fixed at the center of the annular base of the protection case; a coordinate scale system with fine coordinates is plotted on the transparent hard film; the coordinate scale system is a right-angle coordinate system with the minimum scale range of 0.01 mm to 0.05 mm; the Y axis of the coordinate scale system is the measurement standard coordinate axis, and the X axis is the measurement reference coordinate axis; and the protection case is connected with the magnifier main body through the rotary shaft. The magnifier can quantitatively observe the rock particle structure, and has the characteristics of compact structure, good portability, high convenience in replacing the magnification lens and the like.
Owner:NORTHEAST GASOLINEEUM UNIV

Self-powered human body sitting posture monitoring back cushion

The invention discloses a self-powered human body sitting posture monitoring back cushion. The back cushion comprises a main body part and a sensing part, the main body part comprises a back cushion base, a stepped groove, a power module, a signal processing module and a communication module, the sensing part comprises a supporting base, a flexible electrode layer, a lower friction layer, a paper folding structure layer, an upper friction layer and an electric lead, the lower friction layer is composed of a lower friction layer base and frustum-shaped protrusions, and an integrated forming process is adopted. According to the self-powered human body sitting posture monitoring back cushion based on the friction nanometer generator principle, electric signals are generated through contact and extrusion between the upper friction layer and the lower friction layer, an external power source does not need to supply power to the sensing module, and the back cushion has the advantages of being simple in structure, safe to use and environmentally friendly.
Owner:CHONGQING UNIV

Transient milling temperature testing device capable of following cutter-cutting contact abrasion

The invention provides a transient milling temperature testing device capable of following cutter-cutting contact abrasion. The transient milling temperature testing device comprises a milling cutter blade, a T-shaped milling cutter handle connected with the milling cutter blade in a matched mode, a temperature collecting and transmitting terminal embedded in the T-shaped milling cutter handle, and a thin film thermocouple temperature sensor capable of following abrasion and embedded in the front cutter face of the milling cutter blade. The thin film thermocouple temperature sensor capable of following abrasion is embedded in the front cutter face of the milling cutter blade, so that a hot contact of the sensor can follow abrasion and the sensor can be detached and replaced, and the problem that the temperature of a contact area between the front cutter face of a cutter and cuttings cannot be measured by a traditional measuring method is solved; and the temperature collecting and transmitting terminal is embedded in the cutter handle, so that a temperature signal can be wirelessly transmitted to a personal computer (PC) end in real time in the milling process to display the real-time temperature in a changing curve form, and a new method and a new technical approach are provided for transient temperature measurement in high-speed milling and precision machining.
Owner:DALIAN JIAOTONG UNIVERSITY

Pressure relief device of reinforced concrete containment of nuclear power plant

ActiveCN109935372ANo internal explosionSolving Stress Relief ConundrumsNuclear energy generationContainmentRadioactive gasPressurized water reactor
The invention relates to a pressure relief device of a reinforced concrete containment of a nuclear power plant, the pressure relief device comprises a piston and a protective cover, the piston is fixedly sealed at a pressure relief opening in the top of the containment, the protective cover covers the outer side of the piston, and the protective cover and the containment are firmly connected together; the pressure relief device further comprises a safety air bag which is used for absorbing and storing a radioactive gas ejected by the pressure relief opening when the piston is broken or ejected out by pressing; the safety air bag covers the peripheral side of the pressure relief opening, or the safety air bag is arranged on the protective cover; and the pressure relief device further comprises a protective net used for separating the piston and the inner cavity of the containment. The pressure relief device solves the difficult problem of pressure release during internal explosion or high internal pressure of the reinforced concrete containment of the nuclear power plant, serious nuclear leakage possibly caused by overall damage of the containment is avoided, and a reliable, easy-to-detach and replaceable pressure relief device is provided for safe operation of the nuclear power plant, can be widely applied to the design of a traditional pressurized water reactor nuclear powerplant and has a wide market prospect.
Owner:HEFEI UNIV OF TECH

Plate heat exchanger possessing exterior passageway and welded structure in new type sealing way

A novel sealed plate-type heat exchanger with external chnnel and welded structure features that the sealing pads for internal and external channels are arranged at the perforated corner of the welded and sealed casing, said sealing pads have an observing hole for observing if there is the heat exchanging medium in the hole to determine whether the pad is sealed or not. In the prerequisite that the good sealing of external channe is ensured, the clamping width of front and back clamp plates is changed to regulate the tight level of said sealing pad for increasing its working pressure and reliability.
Owner:缪志先

Gold-thread-free Schottky diode and manufacturing method thereof

The invention provides a gold-thread-free Schottky diode, and the diode comprises an insulating packaging shell, a Schottky chip, a first pin, an auxiliary conducting strip and a second pin; the Schottky chip is located in the insulating packaging shell, the lower end of the Schottky chip is electrically connected with the first pin, and the upper end of the Schottky chip is electrically connected with the auxiliary conducting strip; the second pin is fixed at the bottom of the insulating packaging shell; the insulation packaging shell is provided with through holes, the number of the through holes is consistent with that of the second pins, the through holes are located on one side of the auxiliary conducting strip, each through hole is filled with conductive resin, and the auxiliary conducting strip is electrically connected with the second pins through the conductive resin. According to the Schottky diode and the manufacturing method thereof, gold wires do not need to be welded, and the problems that the gold wires are difficult to weld and the gold wires are prone to contact with one another are solved.
Owner:先之科半导体科技(东莞)有限公司
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