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person:(Kai, jiang)
Train control method and device, storage medium, processor and rail train
Commercial vehicle variable air deflector structure and control method
High-precision road traffic detection device and detection method thereof
Unified power supply and distribution redundancy system for aircraft
Electronic map construction method, system and equipment for rail transit and storage medium
Distributed electric drive vehicle control method and system based on two-gear speed reducer
Liftable and movable power maintenance vehicle and use method