小齿轮传动箱壳螺栓
pinion drive housing bolt
小齿轮传动箱壳总成
pinion drive housing assembly
小齿轮传动装置弹簧
pinion drive spring
pinion drive assembly spring
斜齿轮传动
helical gear transmission
helical gearing
星形齿轮传动
asteroid gear transmission
小齿轮传动箱壳螺钉
pinion drive housing screw
六轮驱动传动装置
six-wheel drive transfer drive