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Traffic machinery traction device with automatic adjusting function and operation method thereof
Structural design method for fatigue test piece of tail-starting rocker arm joint
Safety monitoring method and equipment for hybrid electric vehicle
Test board of equipment acquisition unit of electric heating turnout snow melting system
Multifunctional electric four-wheel-drive operation platform
Method for compensating network voltage of electrified railway locomotive
Cab hydraulic overturning power device and system and vehicle
Six-pipe-oblique-installation hydraulic gas-charging semitrailer
Composite pressure wave control method and system for power-concentrated motor train unit
Energy system control method of electric locomotive and corresponding electric locomotive