Connecting sleeve of spray pipe and combustion chamber of solid rocket engine
Vehicle-mounted refrigerator, control method, controller and vehicle
Fabricated building automatic assembly production line system
Encircling foot for climbing robot for tower body of power transmission line iron tower
Vehicle washing system of alternating-current system upper cover car base
Regional passenger flow monitoring system and method based on video image analysis
Energy-saving and efficient pipe belt type automobile radiator
Production process of automobile compressor support bushing
Safety monitoring system of hoisting machine electric hydraulic brake