差速器小齿轮齿损坏
differential pinion tooth failure
传动小齿轮调节螺母
drive pinion adjusting nut
传动小齿轮锥形轴承杯
drive pinion cone bearing cup
小齿轮传动箱壳螺钉
pinion drive housing screw
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