Escalator handrail belt automatic cleaning and sterilizing device and method
Intelligent fault detection method for railway freight car air brake device
Lander for realizing lunar surface drilling surface sampling
Multifunctional box structure and unmanned aerial vehicle storage device
Single-drum 50kN static hydraulic grinding cylinder type traction machine
Transformer substation inspection robot carrying unmanned aerial vehicle and inspection method
Omni-directional movement trolley system with climbing and obstacle crossing functions
Weight-adjustable forklift balancing weight and casting process thereof
Adjustable heavy large-span steel structure large mechanical floor hoisting walking device
METHOD AND APPARATUS FOR SUPPLEMENTING AIR BRAKE OF SUBWAY VEHICLE
Traction winch for arranging multi-layer streamline towrope and control method of traction winch
Track three-facade detection system and method based on inspection vehicle
Novel balance car using infrared emergency braking system and working method