Microphone assembly, microphone installation structure and vehicle
Electric vehicle charging pile with protection function
Crane hanging steel wire rope maintenance device based on friction force
Defogging and cleaning device for rearview mirror of automobile
Standby battery mounting structure, controller shell and vehicle
Vehicle management method based on intelligent transportation
Electric vehicle controller with internal antitheft function
High-strength automobile sunscreen glass with multi-layer structure
Unmanned aerial vehicle landing device with radio wave ranging guidance
Multi-degree-of-freedom control system of wave compensation trestle and use method
Light-aging-resistant dimmable polymer disperse dye liquid crystal sunscreen glass
Base material film for car cover, preparation method of base material film and car cover