Active self-excitation type high-frequency damping method applied to high-altitude hoisting
Aerial pesticide spraying machine for agricultural pest control
Agricultural machinery automatic driving steering execution mechanism
Aircraft flight attitude simulation supporting device
Aircraft taxiing alarm method based on vehicle-road cooperation
Air flow control system and method for microbubble drag reduction ship based on ant colony algorithm
Air injection device suitable for microbubble drag reduction
Air injection pipeline system for microbubble resistance reduction test ship
Air pipe lifting installation structure and construction method
Anti-impact damping overhead man-riding device suitable for rock burst mine
Assembling tool and assembling method for large-size split type composite propeller