Emergency escape evacuation ramp device of urban rail transit vehicle
Protective structure of exhaust branch pipe below automobile chassis
Portable and movable hoisting equipment for well drilling
Hybrid power driving system with bidirectional power interruption mechanism
Anti-collision stabilizing device for ship body berthing
Auxiliary instrument panel assembly for vehicle and vehicle
Indoor building finishing construction material lifting and conveying device
Method and device for selecting nearest vehicle on path in lane changing process
Double-U-shaped magnetic coupling mechanism for wireless charging of unmanned aerial vehicle
Automatic induction adjustment lifting height limiting frame
Waist supporting mechanism for improving comfort and preparation method thereof