Commercial vehicle fuel cell air supply system and excess pressure recovery working method
Method for controlling rotating speed of air compressor of fuel cell automobile
Intelligent control method of air supply system for improving dynamic response of fuel cell
Heat dissipation type charging pile for electric automobile
Vehicle moving method and system for intelligent vehicle
Wheel edge speed reducing device for trailer/semi-trailer and control method thereof
Car light steering mechanism with manual control function
Energy-saving electronic-hydraulic braking system and control method thereof
Non-adhesion brake device used for high-speed train and control method of non-adhesion brake device
Hybrid electric vehicle based on hydraulic retarder and control method thereof
Intelligent retarder controlling device for large automobiles
Electro-hydraulic combined braking system with retardance braking function
Car lamp steering mechanism capable of being manually controlled