A hybrid evaluation model for flight performance based on bacterial foraging and Elman network
Vehicle-mounted positive pressure air purification system
Noise reduction mechanisms for the inclined leading edge vaned diffuser in a centrifugal fan
Noise reduction mechanisms for the inclined leading edge vaned diffuser in a centrifugal fan
Combined system of high-speed rail air conditioner and high-speed rail seat
Battery grabbing and positioning method, positioning device and battery replacement equipment
Research on vibration characteristics of rocket engine flow pipeline
Crane with three-dimensional space moving performance
Cable transfer mechanism for communication engineering
Steel wire rope electric hoist with high safety coefficient
Convenient-to-use hooking and unhooking hook for hoist crane