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42results about How to "Proficiency" patented technology
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Sales management system and sales management implementation method
InactiveCN106779480AEasy to follow upWork orderlyResourcesMarketingBusiness managementLibrary science
The invention relates to a sales management system and a sales management implementation method. The sales management system comprises a client information acquisition unit, a sales clue unit, a client database, a sales flow unit, a flow regulation server, a superior terminal, and a result database. According to the sales management system and the sales management implementation method, the whole process from pre-sales to the sales is effectively in series connection to carry out unified management, a complete business management chain is maintained and at the same time, can be structuralized, any nodes can be cut in to implement the management of sales business. In the whole process of pre-sales and sales, follow-up record is implemented from the beginning to the end, the follow-up record is based on a timeline, and therefore the sales main line is clear, the work of sales personnel is more organized, and follow-up in time of multiple business main lines is convenient.
Owner:许文超
Processing method for reinforcing soft clay ground through vacuum preloading in combination with electro-osmosis method
The invention discloses a processing method for reinforcing a soft clay ground through vacuum preloading in combination with electro osmosis. According to the method, solid airtight separate vacuum preloading in combination with electric osmosis in which reinforcing steel bars are taken as the electro osmosis electrodes are adopted for reinforcing the ground. During the arrangement of vacuum preloading systems, by using a separate seal joint, a sealed water pipe, a sealed main pipe and a vacuumizing device, plastic water drainage plates which are inserted into the soil and plastic water drainage plates which are paved on the surface of the soil form two sets of separate airtight vacuum systems which can be separately controlled to turn on or off, and the vacuum degrees of the two vacuum systems can be separately regulated. After the vacuum systems are arranged, rebar electrodes are inserted in rows in the gaps between the plastic water drainage plates inserted in the soil, and then the perforations between the rebar electrodes and the vacuum preloading airtight systems are sealed. With the processing method, the vacuum transfer and utilization efficiency is improved, the water drainage effect of deep-layer soil is improved, the soil processing uniformity is remarkably improved, the overall soil reinforcing effect is improved, and fast, efficient and energy-saving hybrid reinforcement construction is realized.
Owner:SHANGHAI UNIV
Method for inputting Chinese words and phrases holographic code by computer and cell phone and its keyboard
InactiveCN101030103ASimple inputUnified input methodInput/output processes for data processingKeyboard designChinese characters
A computer and mobile phone input method of Chinese character holographic code includes forming sound code by initial consonant and vowel of Chinese character and forming shape code by component and stroke as well as stroke form then carrying out full spelling and double spelling as well as triple spelling to form mixed input coding system without said shape code-said sound code switching-over to each other, enabling to use normal keyboard on computer or on mobile phone to input said holographic code.
Owner:刘国桢
Acupuncture needling training checking device and method
PendingCN106991889AImprove the simulation effectContraindications for Skilled AcupunctureEducational modelsHuman bodyConverters
The present invention provides an acupuncture needling training checking device and method. The device comprises silicone rubber, circuits, contacts, a counter, an angle device, a receiver, a transmitter, a display screen, a character-voice converter, a master control chip, a horn and a USB interface. A model of human body is composed of silicone rubber, the model of human body is embedded with multiple layers of circuits for simulation human body channels, and the contacts are arranged at corresponding human body acupoints on the circuits. The model of human body is made of the silicone rubber, is good in simulation effect, is provided with functions of depth and angle of needling, the number of times of needling location and acupoint cognition, and displays the functions to allow beginners to repeatedly train acupoint cognition, needling manipulation and acupoint needling main points, allow the beginners to be skilled in the needling manipulation and needling taboo to avoid occurrence of needling accidents and allow the beginners to master the needling to reach a good operation capability and avoid occurrence of accidents so as to lay a solid foundation for clinical practice work and store the data to a mobile medium for facilitate usage.
Owner:GUIYANG COLLEGE OF TRADITIONAL CHINESE MEDICINE
Bonding jitter automatically testing method and system
InactiveCN1521487AReduce manpower consumptionShort test timeMeasurement devicesTest efficiencyEquipment under test
The invention provides a joint shake automatic testing method for synchronized digital hierarchy (SDH) device, wherein the control equipment sends the user selected testing parameters to the SDH analyzer, and proceeds relevant arrangement to the SDH analyzer, the SDH analyzer performs test to the tested equipment in sequence under different pointer sequence, shake electric wave filter or dissimilar frequency deviation of pseudo-random bit sequence bit ratio, and feeds back the testing data to the control equipment, which then creates and maintains the testing result.
Owner:SHANGHAI HUAWEI TECH CO LTD
Chinese Pinyin one-stroke input method
InactiveCN102707863ALow repetition rateIncrease typing speedInput/output processes for data processingLow inputSpeech recognition
The invention discloses a Chinese Pinyin one-stroke input method and relates to an input method which is applicable to input operation in a touch mode. In order to solve the problems of low input speed and high code duplication of Chinese Pinyin, the invention provides the method through which any one Chinese Pinyin or English letter can be input by one stroke. According to a Chinese Pinyin arrangement principle, fixed corresponding relations between letters or a letter set in the Chinese Pinyin, which can be at non-initial positions, Pinyin tones, English letters and the top, bottom, left, right, left top, left bottom, right top and right bottom directions are established; and by taking an initial letter key or part of an area of the initial letter key as a starting point, according to the corresponding relations and the letter arrangement sequence of the Chinese Pinyin or English letters to be input, a directed curved line is drawn by continuously sliding along the corresponding directions of the letters, so the Chinese Pinyin and English letters are input.
Owner:黄冠
Beauty maintaining and young keeping anti-ageing instant fish glue and preparation method thereof
InactiveCN107397149AExtended shelf lifeGreat tasteNatural extract food ingredientsMeat/fish preservation using chemicalsWater ChestnutsTremella
The invention discloses a preparation method of beauty maintaining and young keeping anti-ageing instant fish glue. The preparation method comprises the following steps: 1) cleaning fish glue and slicing the fish glue; 2) preparing soup materials: putting auxiliary materials containing ginseng, Chinese wolfberries, red dates, longans, tremella, water chestnuts and radix pseudostellariae in an auxiliary material bag, adding water to boil for 20-30 minutes, taking out the auxiliary material bag, and filtering the same to obtain the soup materials; and 3) mixing the fish glue slices with the soup materials, adding salt into a closed container, and then placing the mixture in a container, the pressure of which is 0.15-0.17Mpa, to be boiled. The instant fish glue prepared by the method is good in taste, enriches the blood and maintains beauty, is anti-ageing and convenient to eat, and is deeply welcomed by consumers.
Owner:廖烈雄
VR simulation cockpit
InactiveCN110599852AImprove visual effectsImprove experienceCosmonautic condition simulationsSimulatorsSteering wheelSimulation
The invention discloses a VR simulation cockpit which includes a base, a motion platform, a safety belt, a seat, a head support pad, a gear shifter, a brake pedal, an accelerator pedal, VR glasses, asimulation cockpit, a vehicle-mounted computer, a display screen, an instrument desk, a cockpit door, a support frame, a windshield wiper, a head light, a gear mechanism, a rear light, an adjustment handle, a steering wheel and a steering device. The motion platform is connected to the base; the simulation cockpit is connected to the motion platform; and the simulation cockpit is provided with theseat. The VR simulation cockpit has the beneficial effect that the better visual effect is achieved, the real shifting feeling is achieved, the real steering feeling is achieved, the body feeling ofvehicle body movement can be truly experienced, the change of the vehicle running posture is truly reflected, the vehicle driving reality sense is good, an experiencer can master knowledge points in arelatively-skilled manner, confidence can be given to the experiencer, good results can be achieved, and a driver can obtain better learning results.
Owner:南京庞瑞科技有限公司
Control method and system of emergency drilling system
PendingCN111341166AImmersiveImprove interactivityInput/output for user-computer interactionCosmonautic condition simulationsMan machineMachine
The invention discloses an emergency drilling system and a control method of the emergency drilling system, and the method comprises the steps that a server generates a scene resource file, and transmits the scene resource file and a preset script file to a client; the client loads the scene resource file to generate and display a virtual drilling scene, and executes the script file to control theprocess of emergency drilling; a virtual reality device collects state data of the drilling personnel and sends the state data to the client; and the client performs analog simulation of driving operation on an operation component of the virtual drill scene according to the state data, and performs analog simulation on the body movement of the virtual drill personnel to generate emergency drill data. According to the control method of the emergency drilling system, a nuclear emergency exercise mechanism is enhanced through virtual-real combined man-machine operation, the experience of emergency exercises can be accumulated, and weak links in the emergency system can be found out.
Owner:STATE POWER INVESTMENT CORP RES INST
Adjusting screw for adjusting motorcycle valve clearance
InactiveCN103277161BEasy to adjustAccurate graspValve arrangementsMachines/enginesStructural engineering
Owner:力帆科技(集团)股份有限公司
Elastic cell collector
ActiveCN105496472ASimple structureEfficient use ofSurgical needlesVaccination/ovulation diagnosticsEngineeringSupport point
An elastic cell collector comprises a main device, a moving device and an elastic device; the moving device is used for pumping and storing cells; the moving device is disposed inside the main device; the elastic device is disposed between the main device and the moving device and provides power for natural elasticity and pumping of the moving device, assisting in generating negative pressure in the moving device so that the cells are collected to the moving device through a collecting port; the main device provides a force supporting point for the elastic device. The main device comprises an outer cylinder (2) and a needle base (1) disposed on the outer cylinder; the moving device comprises an inner cylinder (3), an outer needle plug (4), an inner needle plug (5) and a handle (6). The invention retains the advantages in single operation and also avoids limitation in the single operation; the implementation of an accurate puncture technique and the acquisition of diagnostically valuable cytological specimens are facilitated, and occurrence of various dangers is avoided to the maximum extent.
Owner:陆海鹤 +1
High-altitude rescue unmanned aerial vehicle with damping device and using method of high-altitude rescue unmanned aerial vehicle
ActiveCN112173115ATo achieve the shock absorption effectReliable shock absorptionAlighting gearAircraftsUncrewed vehicleControl theory
The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a high-altitude rescue unmanned aerial vehicle with a damping device, wherein the high-altitude rescue unmanned aerial vehicle comprises a plurality of flight systems, a rack, a balance system, a control adjusting system, four damping devices and a video acquisition system; a plurality of flight systems are uniformly mounted on the sides of the rack; the balance system, the control adjusting system and the video collecting system are all mounted on the rack. Under the condition that the unmanned aerial vehicle is high in load after rescue, and the damping effect is reliable and effective when the unmanned aerial vehicle falls to the ground; and after shock absorption, a fuselage of the unmanned aerial vehicle can be quickly adjusted to a horizontal posture. The invention further provides a using method of the unmanned aerial vehicle, the using method comprises the steps of unmanned aerial vehicle control, landing site selection, first-time damping, second-time damping and the like; the method is high in automation degree, an operator only needs to manually control the landing siteof the unmanned aerial vehicle, the operation difficulty is low, and the method is high in operability.
Owner:BEIJING ZHAOYANG SCI TECH CULTURE
Adjusting nut used for adjusting motorcycle air valve clearance
InactiveCN103256082AEasy to adjustAccurate graspValve arrangementsMachines/enginesEngineeringMechanical engineering
The invention discloses an adjusting nut used for adjusting motorcycle air valve clearance. The adjusting nut comprises a nut body (1). The end face of at least one end of the nut body (1) is provided with bisectrices (2) which are evenly distributed in a circumference mode. The center of the circumference formed through enclosure of the bisectrices (2) is located on the axis line of the nut body (1). Extension lines of all the bisectrices (2) intersect with the axis line of the nut body (1) respectively. The adjusting nut can accurately adjust the air valve clearance, specialized adjusting tools are not needed, requirements for proficiency of an operator are not high either, and the adjusting nut used for adjusting the motorcycle air valve clearance has the advantages of being ingenious in design, easy to implement, and simple, convenient and rapid to operate.
Owner:力帆科技(集团)股份有限公司
Multistage filled basement waterproof device and application method
PendingCN111979976ASimple structureEasy to operateDamsSewerage structuresArchitectural engineeringEngineering
The invention belongs to the technical field of garage flood protection devices, and particularly relates to a multistage filled basement waterproof device. The device comprises a plurality of main bodies and a concrete structure. The concrete structure is embedded into a road surface and leveled with the road surface. The main bodies are mounted side by side on the concrete structure, and connected with the concrete structure in a movable mode. The invention also discloses an application method of the multistage filled basement waterproof device. The method includes the steps that burying thedevice, filling disinfecting and sterilizing drugs, setting the positions of the main bodies, sealing automatically, pumping and draining water, and disinfecting and sterilizing automatically. The multistage filled basement waterproof device is simple in structure, convenient in operation, stable and reliable, and long in service life, and has a good blocking effect on a large amount of rainwater, which can form a strong waterproof wall and prevent a large amount of water from pouring into underground facilities. The device can also be used to disinfect and sterilize water drainage channels and water collecting channels to prevent diseases and outbreaks after floods.
Owner:杨群
Automatic classification jaw crusher and application method
ActiveCN112403560AHelp to pass throughImprove the efficiency of size sortingGrain treatmentsEngineeringStructural engineering
The invention belongs to the technical field of crushers, and particularly relates to an automatic classification jaw crusher. The jaw crusher comprises a movable jaw, a main fixed jaw, a multi-stagefixed jaw, a power mechanism, a reciprocating mechanism, a vibration mechanism and a rack, wherein the movable jaw, the main fixed jaw, the power mechanism, the reciprocating mechanism and the vibration mechanism are all arranged on the rack. The crusher disclosed by the invention can classify stones according to sizes before the stones are crushed, and crushes the stones according to the sizes ofthe stones; the movable jaw swings once to crush the stones for multiple times; and after the stones are crushed for multiple times, flaky stones can be reduced. The invention further provides an application method of the crusher. The application method comprises the steps of adjusting a second crushing gap, locking the second crushing gap, swinging the movable jaw, vibrating the main fixed jaw and the like. The method is convenient to operate, simple and easy to understand and high in automation degree, the stone size classification standard can be changed, classified crushing is conducted according to the stone size, the crushing efficiency is high, the crushing effect is good, and the operability is high.
Owner:巴州佳鑫源石油技术服务有限公司
Simulation operation training system for land scraper
InactiveCN101465073AIncrease training timeProficient skillsCosmonautic condition simulationsEducational modelsData linesThrottle
The invention discloses a simulation operation training system for a grader, which belongs to a simulation system. The system comprises an operating table, a programmable controller, a monolithic processor, a sensing system and an image display; a plurality of operating handles, a steering wheel, a direction transmission axle, a gear controller, a brake and a throttle are installed on the operating table; a sensor is connected with all the operating handles on the operating table and transmits the mechanical action signals of all the operating handles to a primary signal processing monolithic processor, the signals are transmitted to the secondary signal processing programmable controller after being processed by the monolithic processor through a USB interface, and the signals are transmitted to the display system to display the promote motion picture through a VGA data line after being processed by the programmable controller. The invention has the advantages that the system can stimulate various operating actions of the grader, as well as environments, tasks, and the like, in the practical work, greatly increases the training time of the trainees and enables the trainees to truly and skillfully grasp various operating techniques and skills of the grader.
Owner:李宏
Appendectomy model
An appendectomy model comprises a cecum, a cecum inner wall, an appendix, a blood vessel, a mesentery 1, a mesentery 2 and an ileum. The appendectomy model simulates a real human anatomical tissue structure, wherein the positions of all tissue parts and the mutual connection are correct; the whole structure except the blood vessel is made of a silica gel material; the blood vessel is made of a rubber tube, and liquid can be connected into the blood vessel, and when the blood vessel is cut off, the liquid flows out; the mesentery is detachably connected with the cecum and the ileum; the appendix is fixedly connected with the mesentery; the appendix part can be replaced; and the appendectomy model can be used as a medical teaching aid, and can also be used as a training model of appendix resection and a training model of intestinal suture.
Owner:DALI UNIV
Red snow pear pruning and shaping method
ActiveCN107646401ACompact treeImprove qualityCultivating equipmentsHorticulture methodsFruit treePear tree
The invention discloses a red snow pear pruning and shaping method. The pruning and shaping method comprises the following steps that 1, according to the site type, the tree form structure is determined; 2, the distances and distribution of branch groups are adjusted; 3, light transmission treatment and ventilation treatment are conducted; 4, different branches are pruned. The invention provides the targeted red snow pear pruning and shaping method. By determining the tree form structure according to the site type, scientifically adjusting the distances and distribution of the branch groups and guaranteeing light transmission and ventilation in cooperation with pruning of the different branches, an obtained red snow pear tree form is compact, the branch groups are reasonably distributed, not only is space effectively used, but also a fruit tree obtains most suitable growth space furthest, light transmission and ventilation are achieved, and on the basis that the fruit setting rate is effectively improved, the quality of red snow pears is greatly improved.
Owner:巍山彝族回族自治县绿源林果有限责任公司 +1
Adjusting screw for adjusting valve clearance of motorcycle
InactiveCN103277161AAccurate adjustmentAccurate graspValve arrangementsMachines/enginesStructural engineering
Owner:力帆科技(集团)股份有限公司
Method for inputting Chinese words and phrases holographic code into computer or cellular phone and its keyboard
InactiveCN100552603CAdvanced technologySpeed upInput/output processes for data processingChinese character encodingKeyboard design
The Chinese word holographic coding computer mobile phone input method and keyboard is a phonetic code composed of initials and finals of Chinese characters, and a font code composed of parts, strokes and stroke shapes, and the full spelling, double spelling, triple spelling, font code and phonetic code The encoding system of the mixed input is not switched. Its advantage is that this is a kind of Chinese character encoding that can be used for 26 key position standard English keyboards and 10 digital miniature keyboards and location code bar code word dictionary retrieval. The encoding method is scientific, the keyboard design is reasonable, the rules are concise and standardized, and the operation is simple and quick. It is a Chinese character encoding suitable for popularization and broad development prospects.
Owner:刘国桢
elastic cell harvester
ActiveCN105496472BSimple structureEfficient use ofSurgical needlesVaccination/ovulation diagnosticsEngineeringSupport point
Owner:陆海鹤 +1
Science popularization interaction device of Yami triangle
PendingCN114495652AHighlight the sense of accomplishmentAdd funEducational modelsElectrical appliancesInteraction deviceDisplay device
The invention discloses a popular science interaction device of a Yami triangle, which belongs to the technical field of popular science interaction equipment, and is characterized by comprising an interactive display and an entity matrix lamp synchronously displayed with the interactive display, the entity matrix lamp is formed by arranging a preset number of led lamps capable of being independently turned on and turned off according to a Young's triangle arrangement mode, the interactive display is connected with the entity matrix lamp through RS232 serial port communication, and the system has the beneficial effects that the system is communicated with the entity matrix lamp and synchronously displays, so that the interestingness and the interaction are increased, the achievement sense of an operator can be highlighted, and the user experience is improved. Therefore, the rule can be understood more deeply; an operator can intuitively and personally experience the principle and change trend of an obscure formula in the interaction process, so that a learner can intuitively understand the learned probability, and more skillfully master theoretical knowledge and further understand a boring formula by combining the learner with the Yanghuang triangle.
Owner:董旭民
Finger reading device, application method thereof, terminal equipment, and finger reading system
InactiveCN106097792AProficiencyImprove experienceSelective content distributionElectrical appliancesTerminal equipmentComputer terminal
The invention provides a point-reading device, an application method thereof, terminal equipment, and a point-reading system. The point-reading device includes a carrying unit and a transmitting unit, the transmitting unit is arranged on the carrying unit, and the transmitting unit is used to establish a connection with a terminal device to play the points of the point-reading device through the terminal device. read content. The point-reading device of the present invention can perform simple audio playback on the point-reading content or video playback while performing audio playback on the point-reading content. Since the point-reading content is played based on the terminal device, the audio and video of the terminal device itself The performance of the playback terminal is relatively proficient, which improves the playback effect and user experience, meets the needs of auditory and visual users, and is universal.
Owner:INVENTEC(NANJING) TECH CO LTD +1
High-rise rescue unmanned aerial vehicle and using method thereof
ActiveCN112278277AAvoid entanglementCause damageAircraft componentsLaunching weaponsFly controlFlight vehicle
Owner:杭州万晟华疆科技有限公司
An automatic sorting jaw crusher and its usage method
The invention belongs to the technical field of crushers, and in particular relates to a jaw crusher for automatic classification, including a movable jaw, a main fixed jaw, a multi-stage fixed jaw, a power mechanism, a reciprocating mechanism, a vibrating mechanism and a frame, a movable jaw, a main fixed The jaw, the power mechanism, the reciprocating mechanism and the vibrating mechanism are all installed on the frame. The crusher of the present invention can classify the size of the stone before crushing it, and crush it according to the size of the stone; once the movable jaw swings, it can crush the stone. Multiple crushing; the stone can reduce flake stone after multiple crushing. The invention also provides a method for using the crusher, including the steps of adjusting the second crushing gap, locking the second crushing gap, swinging the movable jaw and vibrating the main fixed jaw. The method of the invention is easy to operate, easy to understand, and has a high degree of automation , can change the standard of stone size classification, and classify and crush stones according to their size. The crushing efficiency is high, the crushing effect is good, and the operability is strong.
Owner:巴州佳鑫源石油技术服务有限公司
A kind of pruning and shaping method of red Sydney pear
ActiveCN107646401BCompact treeImprove qualityCultivating equipmentsHorticulture methodsFruit treePear tree
The invention discloses a red snow pear pruning and shaping method. The pruning and shaping method comprises the following steps that 1, according to the site type, the tree form structure is determined; 2, the distances and distribution of branch groups are adjusted; 3, light transmission treatment and ventilation treatment are conducted; 4, different branches are pruned. The invention provides the targeted red snow pear pruning and shaping method. By determining the tree form structure according to the site type, scientifically adjusting the distances and distribution of the branch groups and guaranteeing light transmission and ventilation in cooperation with pruning of the different branches, an obtained red snow pear tree form is compact, the branch groups are reasonably distributed, not only is space effectively used, but also a fruit tree obtains most suitable growth space furthest, light transmission and ventilation are achieved, and on the basis that the fruit setting rate is effectively improved, the quality of red snow pears is greatly improved.
Owner:巍山彝族回族自治县绿源林果有限责任公司 +1
Adjusting nut for adjusting motorcycle valve clearance
InactiveCN103256082BEasy to adjustAccurate graspValve arrangementsMachines/enginesEngineeringMechanical engineering
The invention discloses an adjusting nut used for adjusting motorcycle air valve clearance. The adjusting nut comprises a nut body (1). The end face of at least one end of the nut body (1) is provided with bisectrices (2) which are evenly distributed in a circumference mode. The center of the circumference formed through enclosure of the bisectrices (2) is located on the axis line of the nut body (1). Extension lines of all the bisectrices (2) intersect with the axis line of the nut body (1) respectively. The adjusting nut can accurately adjust the air valve clearance, specialized adjusting tools are not needed, requirements for proficiency of an operator are not high either, and the adjusting nut used for adjusting the motorcycle air valve clearance has the advantages of being ingenious in design, easy to implement, and simple, convenient and rapid to operate.
Owner:力帆科技(集团)股份有限公司
An unmanned aerial vehicle for high-level rescue and its use method
ActiveCN112278277BCause damageSimple structureAircraft componentsLaunching weaponsFly controlFlight vehicle
The invention belongs to the technical field of unmanned aerial vehicles, and specifically relates to an unmanned aerial vehicle for high-level rescue, including two aircrafts, a rescue net, a connecting device and two spraying net devices, and the two aircrafts are connected through the connecting device. The two spray net devices are respectively installed under the two aircrafts. The rescue net is a rectangular net. The fixing device is fixed on the surface of the outer wall of a high-rise building; the drone of the present invention can deploy the rescue net close to the outer wall of a high-rise building, and has a wide range of applications. The present invention also provides a method for using the UAV, including the steps of filling the rescue net, flight control, spraying the rescue net, and rescue and protection; the method of the present invention is easy to operate, simple and easy to understand, and the operator has undergone simple training, that is It can be mastered proficiently; at the same time, this method fully considers the principles of mechanics and aerodynamics, and is easy to operate, stable and reliable.
Owner:杭州万晟华疆科技有限公司
A method of using a high-altitude rescue drone with a shock absorbing device
Owner:BEIJING ZHAOYANG SCI TECH CULTURE
Welding method for elevation welding of medium-thickness steel plate
PendingCN113857627ASolve consumptionEasy to masterElectrode holder supportersWelding accessoriesEngineeringMaterials science
The invention discloses a welding method for elevation welding of a medium-thickness steel plate, which is characterized in that trolleys are simultaneously arranged on two sides of a vertical plate for welding, and layered welding is carried out, so that a bottoming layer is a whole; two welding guns on the same side are used for filling a layer, and separated welding is carried out on a third filling layer, so that welding materials are saved, the welding speed is increased, meanwhile, the welding quality is higher, and the operation is simple, convenient and easy to master.
Owner:WUHAN YIYE STEEL STRUCTURE +1
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