Escalator handrail belt automatic cleaning and sterilizing device and method
Coal mine underground stepping-type equipment train control method
Overturning and lifting composite stand column guide rail
Intelligent fault detection method for railway freight car air brake device
Half-height platform door integrated display system for representing congestion degree of train
Flapping wing driving mechanism capable of increasing high lift force and advancing power
Alternating-current control modified mining electric locomotive and use method thereof
Lander for realizing lunar surface drilling surface sampling
Method utilizing bus vehicle GPS data for evaluating road traffic condition dynamically
Adjustable fixing foot and foldable cable well anti-falling device
Anti-falling device for hoisting heavy object in cable well
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
Unmanned aerial vehicle emergency lighting device based on Hetian twelve method
Highway road condition monitoring and early warning device
Mechanical arm device for carrying cutter in shield tunneling machine cabin and carrying method
Track plate laying device for plate-type ballastless track construction
Real-time monitoring system and method for running speed of vehicles on highway
Omni-directional movement trolley system with climbing and obstacle crossing functions