英语词汇“non - return 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	non - return valve
释义	non - return valve freq. 3 dict. 1 un.止回阀；单向阈 [网络]逆止阀；单向阀；单向截止阀
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