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-现代词典

单词	back vent
释义	back vent noun : a ventilating pipe attached to a waste pipe on the sewer side of its trap to prevent siphonage • back venting noun
随便看	serpierite serpiginous serpiginously serpigo serpolet serpula serpulan serpulid serpulidae serpulidan serpuline serpulite serpulitic serpuloid serra serradella serradilla serranid serranidae serrano serranoid serranus serrasalmo serrasalmus serrata

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