滚动摩擦传动
roll friction transmission
可控启动传动装置
controlled starting transmission
六轮驱动传动装置
six-wheel drive transfer drive
拖车驱动装置传动齿轮箱
trailer drive transfer gearbox
制动传动装置
Brake actuator
Brake Transmission system
钢带摩擦传动
Frictional steel belt transmission
滚动轴承式行星摩擦传动
planetary friction transmission
滚筒摩擦传动
cylinder frictional drive