pinionn.鸟翼；小齿轮v.剪断翼尖；绑住 ... 两臂pinion shaped cutter插齿刀PINION PRELOAD SPACER小齿轮预荷隔环pinion bearing spacer主动齿轮轴承隔圈pinion cutting machine齿轴切削机床PINION YOKE BEARING CAP小齿轮轴轭轴承盖PINION GEAR DEPTH SHIMS主动齿轮深度垫片Pinion and rack steering齿轮齿条式转向器pinion assembly of truck汽车主锥总成pinion shaft inside bearing[化] 小齿轮内侧轴承pinion-type steering gear齿轮式转向机构