Robot for cleaning surface of underwater cylindrical pier and cleaning method
Integrated multi-habitat self-adaptive intelligent propelling device and operation method
Large-load buffering air bag giving consideration to landing and dampening working conditions
Dynamic telescopic device for filling gaps and platform door system
Active cooling and energy comprehensive utilization system and implementation method
Driving walking hydraulic system and semitrailer chassis
Battery module mounting rack, battery box and disassembly and assembly method of battery box
System and method for acquiring vehicle information by charging pile
Integrated thermal management control system and method for hydrogen fuel vehicle
Electric vehicle charging port protection structure and charging port cover automatic closing method
Charging port assembly with charging information display function and charging system
Lifting hook type self-lifting freight cableway running trolley and running system
Encircling crawling robot and method for highway bridge underwater pier column detection
Movable mechanical helicopter take-off and landing system