单词	PCV valve
释义	PCV valve noun ¦pē(ˌ)sēˈvē- : an automotive-emission control valve that recirculates gases (as from blow-by) through the combustion chambers to permit more complete combustion Word History Etymology positive crankcase ventilation First Known Use 1965, in the meaning defined above
随便看	epiplexisses epiploons epipodia epipodial epipodiale epipodialia epipodite epipoditic epipodium epiprecoracoid epipremna epipremnums epiproct epipterygoid epipubes epipubic epipubis EPIRB epirogeny epirote epirotes epirotulian epirrhema epirrhemas epirrhematic

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