Hot and cold flight control method for engine of hypersonic aircraft
AIR CHAMBER, AIR SPRING, AIR SUSPENSION SYSTEM, AND VEHICLE
New energy automobile battery pack dismounting supporting jig and using method thereof
Production process of low-cost glassy carbon mixed heavy truck sleeping berth
Communication buoy based on underwater topographic surveying and mapping
Underwater working robot for buoy maintenance and repair
Marine environment data acquisition system based on data iteration
Automobile lower heat insulation pad and manufacturing method thereof
Water washing unmanned aerial vehicle vibration suppression method and device
Engine sound insulation cover cap and preparation method thereof
Construction equipment for fuel gas buried pipe in narrow and limited road space of village in city
Rapidly-built negative pressure isolation cabin and building method thereof
Ultraviolet reflection enhancing glass type secondary surface mirror and preparation method thereof