Detachable moving device for surrounding rock morphology acquisition
Ship shunting lightering system and control method thereof
Underwater static sounding device with automatic climbing sonar
Power battery device, power battery system and electric vehicle
Vehicle parking regeneration control system and method, electronic equipment and vehicle
Impact-resistant shipborne transmission system with anti-corrosion control device and method
Disassembly-free maintenance part of jacking hydraulic system of tower crane
Hybrid engine control method and device, electronic equipment and storage medium
Two-stage unfolding double-shaft tracking satellite-borne antenna gravity unloading system