Method applied to reverse slope tunnel drainage system
Building material lifting device for green assembly type building construction
Control method and control system of safety air bag, electronic equipment and storage medium
Brake parachute system for air-drop unmanned aerial vehicle carrier
Transportation equipment convenient to stack and used for well lid production
Heating control method and system for vehicle seat, electronic equipment and storage medium
Method, device, equipment and medium for ensuring degradation operation safety of train
Anti-collision multi-directional control high-degree-of-freedom underwater robot
Blue-green algae adsorption device and use method thereof
Milling machine frame and manufacturing method thereof
Rope-driven foldable capturing mechanism for unmanned underwater vehicle retracting and releasing