Overload-preventing hanging basket with movable supporting legs
Road section congestion state judgment method and device, computer equipment and storage medium
Gate seat type self-elevating tower crane for shipbuilding
Self-adaptive suspension arm mooring rope support, mooring rope system and adjusting method
Segmented annular total assembly pit type construction method for ship rudder horn
Train headlamp control method, vehicle-mounted terminal, control system and storage medium
Chain tensioning device and piggyback transport vehicle
Non-motor vehicle traffic behavior monitoring method and illegal behavior detection system