Water life-saving satellite positioning alarm method and terminal, and life jacket
Double-line side-by-side opposite-pull boat moving method
Construction precision control method for cylinder pin hole type leg
Safe energy-saving bilateral elevator and using method thereof
Safe energy-saving elevator and application method thereof
Controllable synthesis and upconversion emission of ultrasmall lanthanide-doped Sr2GdF7 nanocrystals
Evaluation of forming forces in ultrasonic incremental sheet metal forming
Cart with height adjustable platform and methods of using the same
Analysis of the feasibility and necessity of special road construction for small passenger cars
Elevator control system based on Internet of Things technology
Method for controlling unmanned aerial vehicle to stay on water surface
Network rail tunnel comprehensive detection device and method based on edge calculation and big data
Vehicle-to-vehicle charging system and method and electric vehicle
Network rail tunnel comprehensive detection system and method based on big data
Comprehensive detection system for network rail tunnel with the same time, air and section
Network rail tunnel comprehensive detection system and method thereof
Network rail tunnel comprehensive detection system and method capable of active detection
Gate-free parking lot accurate management and control device
Accurate management and control method for gate-free parking lot
Garbage collection device for comprehensive mobile detection vehicle
Lane departure detection method and device, electronic equipment and storage medium
Unmanned aerial vehicle high-rise fire extinguishing bomb launching device