Sound insulation and heat insulation pad of automobile and production process thereof
Recovery device of energy in tyre based on electromagnetic induction
Aircraft wing with novel aerodynamic layout and aircraft using same
Active return-to-middle control system of electric wheel suspension
Adjustable proportional valve device based on switch electromagnetic valve and brake control method
Method for preventing impacts produced when mine hoist hoists containers
Automobile tire pressure monitoring system testing device and testing method
Quick mounting structure for coaming of electrical cabinet of railway vehicle
Braking module applicable to passenger train with center sill on underframe
Top adjusting and mounting method of electrical cabinet coaming of rail vehicle
Installation method for electrical cabinet surrounding plate of railway vehicle