AIRCRAFT AND EXTERNAL DEVICE OF THE AIRCRAFT, COMMUNICATION METHOD, DEVICE AND SYSTEM
AIRCRAFT AND EXTERNAL DEVICE OF THE AIRCRAFT, COMMUNICATION METHOD, DEVICE AND SYSTEM
Aircraft and external device of the aircraft, communication method, device and system
Stable hoisting crane capable of preventing hoisted goods from swinging
Pit-free traction type platform elevator car structure
Vehicle-mounted air conditioner control system, control method thereof and vehicle
FSAE steering system universal joint mechanism assembling clamp based on 3D printing
Steering system support based on FSAE monocoque vehicle body
Butt joint anti-falling device and method for gooseneck of scrap steel tank car
Automobile air-conditioning system and control method thereof
Anti-fall device of automotive body lifting appliance
Vehicle-mounted air conditioner control system and vehicle-mounted air conditioner control method
Deceleration method and device for slewing mechanism of tower crane and medium