Steel wire rope for deep sea oil field lifting and production method thereof
Intelligent traffic signal lamp switching system and method
Projection image display method and device and vehicle
Charging pile liquid cooling system and cooling method
Channel type spacecraft solar cell wing sun orientation device
Sidewall rubber material as well as preparation method and application thereof
Ship-shore automatic cable feeding connection system and method
Low-speed wind tunnel test model abdominal support system
Lifting appliance assembly applied to reactor internals and assembling method
Low-noise air conditioner ventilation system forrailway passenger car
LOW-NOISE AIR CONDITIONER VENTILATION SYSTEM FOR RAILWAY PASSENGER CAR
Wheel dismounting and positioning chassis for scraped car
Fixing structure for sewage discharging hose of passenger train