Blue-green algae adsorption device and use method thereof
Milling machine frame and manufacturing method thereof
Single-degree-of-freedom nested underwater vehicle capturing mechanism
Rope-driven foldable capturing mechanism for unmanned underwater vehicle retracting and releasing
Capturing device applied to unmanned underwater vehicle and folding and unfolding method
Deepwater aircraft speed detection and self-powered system
Modular end wall structure of metro vehicle and manufacturing method of modular end wall structure
Gradient controller, driver controller and train control system
Movable ecological floating island and reservoir suitable for purifying initial rainwater
Guiding method, device and system for platform vehicle scheduling
Automatic environment-friendly carriage cover for dump truck
Macromolecular composite material road edge stone slope auxiliary getting-on system
Air conditioner flat top structure and railway vehicle