Power battery device, power battery system and electric vehicle
Angle measuring device and semi-trailer transport vehicle
Disassembly-free maintenance part of jacking hydraulic system of tower crane
Vehicle parking regeneration control system and method, electronic equipment and vehicle
Impact-resistant shipborne transmission system with anti-corrosion control device and method
Automatic detection method for water quality parameters of large-area river crab aquaculture pond
Rail transit vehicle chassis structure and machining method
Hybrid engine control method and device, electronic equipment and storage medium
PLANAR ROBOTS DEAD-RECKONING WITH OPTICAL FLOW, WHEEL ENCODER AND INERTIAL MEASUREMENT UNIT
Snakelike web crawling robot and web crawling method thereof
Cable rod telescoping mechanism for controlling deformation of tensioning integral structure