Automobile safety belt which can be electrically and finely adjusted in tightness degree
Automobile safety belt with reliable positioning function
Automobile safety belt allowing locking dog to be locked manually
Automobile airbag shaped through reinforcing material
Alternating-current magnetic fluid propulsion system based on series winding driving
Strong and weak current isolation control device for submarine
Combined type mechanical energy conversion bicycle wheel
Auxiliary blower hoisting method for high-power low-speed diesel engine
Air leakage prevention device for heavy-duty vehicle braking energy storage system
Vehicle-mounted terminal-based commercial vehicle rotating speed overspeed alarm method
Water quality analysis equipment for acquiring samples with multiple parameters
Multifunctional river sediment content sampling equipment
Unmanned aerial vehicle night lighting mounting device for electric power inspection