Deepwater aircraft speed detection and self-powered system
Single-degree-of-freedom nested underwater vehicle capturing mechanism
Blue-green algae adsorption device and use method thereof
Rope-driven foldable capturing mechanism for unmanned underwater vehicle retracting and releasing
Multi-ring coupling foldable multi-mode space capturing mechanism based on bionic principle
Modular end wall structure of metro vehicle and manufacturing method of modular end wall structure
Auxiliary beam hoisting construction process and construction equipment
Mechanism and method for implementing variable-section installation of base joint for tower crane
Monitoring system and method for ammonia nitrogen release flux in lake nutritive salt
Gradient controller, driver controller and train control system
Modularized subway chassis and manufacturing method thereof