密封管

seal pipe的用法和样例:

例句

  1. There is a full line size bypass around the seal leg condensate rotameter for fast re-filling of the seal leg.密封管冷凝液转子流量计前后设有一条全尺寸的旁路,用于密封管快速重注。

赖世雄初级美语入门篇 54

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ac/dc preregulator
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