Hydrogen engine thermal management system and vehicle with same
Synchronous supporting mechanism for bridgejacking based on flat jack method
Closed brake device and temperature control method thereof
Automatic control system for service brake of forklift
Robot for cleaning surface of underwater cylindrical pier and cleaning method
Bearing fixing structure and wheel assembly comprising same
Working trolley, tamping wagon and working trolley acceleration and deceleration control method
Encircling crawling robot and method for highway bridge underwater pier column detection
Forming process of fireproof door leaf with escape channel
Movable mechanical helicopter take-off and landing system
Planetary transmission reduction gearbox and special equipment
Asymmetric capturing device for explosive bolt unlocking protection