equalizer spring group 平衡器弹簧组件

equalizer spring pivot pin 平衡器弹簧铰接销

reverse shaft equalizer spring [机] 回动轴均衡弹簧

equalizer spring case [铁路] 均衡弹簧筒

equalizer spring stem [铁路] 均衡弹簧杆

equalizer spring washer [铁路] 均衡弹簧压铁

equalizer spring stem arm [铁路] 均衡弹簧杆臂

equalizer spring cap 均衡弹簧盖