... 弹性环联轴器 Coupling with flexible ring 弹性环榫 Spring-ring dowel ; Dowel spring-ring 弹性扣环 spring retaining ring ...
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... 弹性环联轴器 Coupling with flexible ring 弹性环榫 Spring-ring dowel ; Dowel spring-ring 弹性扣环 spring retaining ring ...
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