英语词汇“backflow valve”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	backflow valve
释义	backflow valve backflow valve [′bak‚flō ‚valv] (engineering) backwater valve backwater valve, backflow valve A type of check valve in a drainage pipe; reversal of flow causes the valve to close, thereby cutting off flow.
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backflow valve