Fixing device and method for travelling crane track on cement beam
Public bus pull-in guiding method based on ZigBee network
Trapezoidal connection piece for low floor tramcar and articulated mechanism mounting seat
Internet of Vehicles based intelligent driving assisting system and method
Method for on-track control of electronic control heat shield
Underwater pressure-bearing sealed cylinder and preparation method thereof
Height adjustment structure for safety belt and safety belt
Traffic intersection dynamic big data updating method and storage medium
Offshore floating dock device with seabed sunken ship grabbing and dragging functions
Method for maximizing traffic capacity of key road based on traffic flow prediction
Cloud lane control method and system based on 5G network
Unmanned aerial vehicle take-off and landing buffer protection frame
Blind area visualization system and method of large vehicle
Traffic operation state prediction method, device and system
Dressing change cart convenient for wound cleaning for surgical nursing
Low-noise invisible bionic foldable flapping-wing micro air vehicle