429 bus general aircraft avionics cross-linking fault test method
Agricultural unmanned aerial vehicle pesticide spraying device
Air route traffic flow network cascade failure chain propagation modeling method
Alarm control system for abnormal operation of elevator
Anti-rollover and multi-stage anti-folding device of semitrailer train
Arrangement structure of fuel oil and methanol fuel dual-purpose cabin ship
Assembly type windshield wiper with cleaning function for automobile window
Automatic charging and discharging control system and method for storage battery
Automatic displacement detection equipment for tower crane
Automatic escape device for vehicle falling into water and control method thereof
Automobile emergency power-off system and automobile thereof