英语词汇“back siphonage”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 siphonage
释义	DictionarySeeSiphonage back siphonage back siphonage [′bak ¦sī·fən·ij] (civil engineering) The flowing back of used, contaminated, or polluted water from a plumbing fixture or vessel into the pipe which feeds it; caused by reduced pressure in the pipe. back siphonage The flowing back of used, contaminated, or polluted water from a plumbing fixture or vessel into the pipe which feeds it; due to reduced pressure in the pipe. back siphonage back siphonage A reversal of the normal flow of water or other liquid due to a negative-pressure gradient. Back siphonage in a water system may result in contamination, triggering a “boil order” (i.e., an order to boil water before drinking so as to kill potential contaminants).
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