起动机小齿轮间隙 starter pinion clearance

小齿轮间隙检查 pinion clearance check

小齿轮间隙调整 pinion clearance adjustment

小齿轮间隙调整螺母 pinion clearance adjustment nut

小齿轮啮合间隙 pinion backlash

小齿轮轴轴向间隙 pinion shaft end play

小齿轮轴承间隙 pinion bearing clearance