英语词汇“back vent”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	back vent
释义	Back vent back vent [′bak ‚vent] (civil engineering) An individual vent for a plumbing fixture located on the downstream (sewer) side of a trap to protect the trap against siphonage. Back vent A pipe for ventilating purposes, attached to a waste pipe on the sewer side of its trap to prevent the siphoning of waste. back vent back vent An individual vent for a plumbing fixture located on the downstream (sewer) side of a trap, 1 to protect the trap against siphonage.
随便看	yukon yukon canoe and kayak club yukon - charley rivers national preserve yukon-charley rivers national preserve yukon child care association yukon council on the economy and the environment yukon delta national wildlife refuge yukon education student network yukon environment department - parks branch yukoner yukon first nations tourism association yukon flats national wildlife refuge yukon gold yukon heritage resources board yukon highway 1 yukon historic sites inventory yukon international storytelling festival yukon-koyukuk census area yukon-koyukuk census area, ak yukon-koyukuk census area, alaska yukon liberal party yukon mine training association yukon native language centre yukon order of pioneers yukon plateau

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Back vent