自动并车装置
automatic switchgear for parallel operation
automatic parallel operation switchgear
拖车驱动装置传动齿轮箱
trailer drive transfer gearbox
可控启动传动装置
controlled starting transmission
六轮驱动传动装置
six-wheel drive transfer drive
制动传动装置
Brake actuator
Brake Transmission system
车辆综合传动装置
Vehicular integrated transmission assembly
动车传动系统
drive system of locomotive