泵传动装置箱体齿轮
pump drive group housing gear
燃油喷射泵传动装置
transmision of an injection pump
主机油泵传动装置
main lubrication oil pump transmission gear
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