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Field measurements of the evolution of wheel wear and vehicle dynamics for high-speed trains
Water quality stratified sampling system and control method
Method for eliminating assembly gap between airplane transition beam and hanging frame
Multifunctional intelligent equipment for transportation card
Elevator floor control system based on non-contact financial IC card
Vibration Analysis of Traction Drive System Components Based on the Field Test for High-Speed Train
Goods transportation device for electric power material warehouse
Load attitude determination method and device based on included angle monitoring star sensor