Portable retracting and releasing device for small buoy
Plug anti-falling device of battery car charging pile
Parking method, vehicle-mounted terminal, parking system and storage medium
Nursery ecological environment monitoring device and system
Non-contact vital sign detection crawler control device
Near-zero emission logistics system of large container ship
MULTIFUNCTIONAL AIRCRAFT DEICING VEHICLE WITH STEAM JET
Method and device for measuring consistency of approach traffic flow tracks
Method and device for measuring approach traffic flow environment efficiency
Low-temperature liquid tank leakage protection device for optimizing heat exchange