英语词汇“double check valve”的意思、用法、释义、翻译、读音、例句、短语、词组-英汉翻译词典

单词	double check valve
释义	double check valve freq. 1 dict. 1 un.双止回阀 [网络]双单向阀；双向阀；双向止回阀
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