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person:("Li, weigang")
Hydraulic and pneumatic damping hub, wheel and automobile
Chain gear transmission type inflation-free damping wheel and vehicle
Characterization of hexagonal ɛ-Ga1.8Sn0.2O3 thin films for solar-blind ultraviolet applications
Intelligent trolley for detecting quality of ballastless track limiting groove
Pressure monitoring device for track elastic strip buckle
Automatic detection system for hidden diseases of track plate
Double-source power supply rail engineering vehicle and power-on method thereof