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Automobile and multi-connecting-rod folding seat thereof
Axle counting system and axle counting diagnostic device used for axle counting system
Electric adjusting mechanism for automobile seat backrest
Fault detection system of train-ground communication system
First train timetable synchronization with interval trains in subway networks
Method, device and equipment for preventing vertigo of passenger and storage medium
New energy automobile charging management system based on Internet
Research on Anti-collision Early Warning System of Rail Train Based on Wavelet Transform
Research on Anti-collision Early Warning System of Rail Train Based on Wavelet Transform
Research on Anti-collision Early Warning System of Rail Train Based on Wavelet Transform
Sleeper type internal locking electro-hydraulic conversion equipment