Water conservancy project pipeline laying auxiliary device
MODULATABLE DOUBLE-LAYER TELESCOPIC SHEET CAVITATOR STRUCTURE
AIRCRAFT WITH INJECTION COOLING SYSTEM AND INJECTION COOLING SYSTEM
Aircraft with injection cooling system and injection cooling system
COMBINED DISC-TYPE CAVITATION STRUCTURE FOR UNDERWATER NAVIGATION OF NAVIGATION BODY
Cavity air compression type water entry combined load reduction device
Rail type liftable high-altitude surveying and mapping jacking system
Control method, device and equipment for hydraulic auxiliary braking and storage medium
Working device, construction method thereof and pipe lifting machine
Carrying and lifting device for air pipe installation and using method thereof
Robot and method for laying and recovering ground node type geophone