英语词汇“relief vent”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	relief vent
释义	relief vent relief vent relief vent A branch from the vent stack, connected to a horizontal branch between the first fixture branch and the soil or waste stack, whose primary function is to provide for circulation of air between the vent stack and the soil or waste stack.
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