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person:(zhang, ming)
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person:(zhang, ding)
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person:(zhang, ping)
Cable maintenance device and construction method thereof
Charging pile structure for electrically releasing charging interface
Charging power distribution method and system of charging pile
Distributed shared machine nest and power line unmanned aerial vehicle inspection method thereof
Electrical equipment drainage system and electrical equipment using same
Electricity testing device for aerial cable inspection of unmanned aerial vehicle
Inspection robot rail for coal mine fully mechanized face and rail traveling method
Intelligent position correction device for acoustic evaluation system
Large-diameter pipe jacking long-distance pipe withdrawing force transmission device
Manufacturing method of aerospace craft cabin section and aerospace craft cabin section
Motor mounting structure, bogie and motor dismounting method
Motor mounting structure, bogie and motor dismounting method
Multifunctional portable municipal well lid opening tool
Power supply system of miniaturized electric maglev vehicle
Pure electric multifunctional train carriage leaking stoppage vehicle
Road structure performance monitoring device and monitoring method
Test method and device for comprehensively detecting train clock synchronization network
Tool for on-site installation of metal-enclosed switchgear
Traction motor transportation protection structure, traction motor and rail vehicle
Train position confidence interval optimization method, equipment and medium
Transplanting and docking method and device, electronic equipment and storage medium
Vehicle-mounted data acquisition equipment supporting bus data and video synchronization
Vibration absorption device, panoramic sunroof and automobile