Automatic folding and unfolding method of vehicle supporting mechanism
X-ray continuous detection mechanical device and process method for launch box guide rail casting
Robot for cleaning surface of underwater cylindrical pier and cleaning method
Large-load buffering air bag giving consideration to landing and dampening working conditions
Integrated multi-habitat self-adaptive intelligent propelling device and operation method
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
Charging port assembly with charging information display function and charging system
Integrated thermal management control system and method for hydrogen fuel vehicle
Electric vehicle charging port protection structure and charging port cover automatic closing method