High-speed railway turnout switch rail monitoring system and method
Hoisting and overturning integrated device for thin-wall type workpiece
Hoisting roller device for hard liquid conveying pipeline gate bridge
Hook mechanism for automatic vehicle connecting device
HUD display control method, vehicle-mounted display device and driving assistance system
Hybrid electric automobile mode switching control system and control method thereof
Hydraulic balance type electromagnetic launching device in submarine cabin
Hydraulic control system of aerial work platform and aerial work platform
In-car emergency braking car device capable of being additionally installed
Installation method of detachable optical gyrocompass
Installation method of large shipborne satellite communication antenna