Waist supporting mechanism for improving comfort and preparation method thereof
Multi-layer telescopic protection sliding table system for tail wing folding
Electric vehicle thermal management system and electric vehicle
Involution positioning turnover system for assembling frame and wallboard of protective vehicle
Motor selection method and device, and storage medium
Production process of automobile compressor support bushing
Novel brake energy recycling device of new-energy automobile
Vehicle power transmission system and vehicle having power transmission system
Vehicle power transmission system and vehicle having power transmission system
Vehicle power transmission system and vehicle having power transmission system
Flow velocity debugging method and system for ship oil system
Active anticollision device of vehicle and calculating method of anticollision distance
Inspection cross-country trolley and inspection system
Informatization calculation, cutting and hoisting method for foundation pit supporting beam
Grid-based control river reach ship position determination method