Detecting method of building hoist load and frequency converter
Novel rearview mirror as well as application system and application method thereof
Tension release control adjusting device of double-roller frictional winch
Automobile door closing sound quality control method, module and system
Anti-collision distribution type car door device and design method thereof
Highway traffic information acquisition node nonequidistance optimized layout method
Mobile terminal fixing device for automobile and automobile
Satellite solar battery array simulation driving device
Ground equipment of high-speed railway train control system
Electric automobile and heating and ventilation system thereof
Installing structure for magnetic rail brake and rail vehicle using same structure
Unattended system for sensing railway field operation and protection based on photonic crystal fiber
Heating device for ship paint removal and ship paint removal method
Automatic lifting control device for cage curtain of auxiliary shaft cage
Dismounting, mounting and transferring device for transformer
Production method for composite material elastomer navigation mark floating drum
Variable-track current collector and electric vehicle
Composite material elastomer navigation mark floating drum