转向垂臂 pitman arm ; Buy Drop Arm

垂臂检查 Drop Arm Test

仰卧悬垂臂屈伸 Inverted Row

转向垂臂上轴承 pitman arm upper bearing

垂臂式栏栅 drop arm barrier

转向垂臂轴 shaft of steering plumbing arm

转向垂臂轴毡垫盖 steering arm shaft felt washer cup

密垂臂快速积极设置 Mitre arm-fast positive setting

屈臂悬垂 bend arm hang ; flex arm hang ; bent arm hang