动环 meaning in Chinese

rotating seal ring
rotor ring
seal head

Sprin retaining rings . axially mounted circlips for shafts
弹簧限动环.轴的轴向安装卡环
Pliers and nippers . pliers for retaining rings
钳子和剪钳.限动环用钳子
Centralizer placement and stop collar testing
扶正器放置和限动环检验
Aerospace series . rings , retaining . technical specification
航空航天系列.止动环.交货技术条件
Retaining rings for shafts , external type
轴用止动环.外装型

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