Long-time heat-proof composite material as well as preparation method and application thereof
RIM BASED ON COMBINATION OF DH STRUCTURE AND DW STRUCTURE, AND MANUFACTURING METHOD THEREFOR
All-season semisteel tire tread rubber compound, and preparation method and application thereof
All-season semisteel tire tread rubber compound, and preparation method and application thereof
Analysis on Air Valve Placement in Long-Distance Water Conveyance Pipeline System
Adjustable side wall mounting base of railway passenger car equipment
Regional automobile front door heat insulation glass and preparation method thereof
Intelligent waste storage and incineration distribution system
CLEANING SYSTEM USED FOR VEHICLES AND CAPABLE OF SUPPRESSING VIBRATIONS AND REDUCING NOISE