Hold Ring是什么意思


中文翻译支承环

网络释义

1)Hold Ring,支承环2)rotary supporting ring,回转支承环3)annular plates supported at outside boundary,外边界支承环板4)steel pipe truss supported by angle steel,角钢支承环形钢管架5)support,支承6)supporting,支承

用法例句

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