New energy vehicle rear auxiliary frame with light high-strength double-layer side beam structure
New energy vehicle rear auxiliary frame with double-layer side beam structure
Mother-son ship operation platform for putting tower drum and tower drum putting method
Whole-ship monitoring alarm system of offshore wind power installation platform
Automatic control method for test run state of aero-engine
Large-diameter PE pipe mounting and consignment trolley in tunnel and construction method thereof
Vehicle slope parking motor control method and device, storage medium and motor controller
Commercial vehicle sectional type adjusting pedal with microswitch
Seawater lifting system and lifting speed control method