Brake drum heat power generation self-circulation cooling system and cooling method thereof
Broken wire holding device and method of steel wire rope for stringing traction
Brominated butyl rubber composition for sealing material and preparation method thereof
Cable-shaped ocean energy collecting device and energy collecting method thereof
Cable supporting device for hot-line work and using method thereof
Cable tunnel lining water leakage detection device and contour modeling method
CAGE ENERGY SUPPLY SYSTEM AND CONTROL METHOD THEREFOR
Cage energy supply system and control method therefor
Car type elevator with electric energy recovery function
CC2 charging interface capability detection method, new energy automobile and charging system
Central control system anti-theft apparatus with automatic cooling function
Charging circuit, method and device of low-voltage battery, vehicle and storage medium