英语词汇“PCV valve”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	PCV valve
释义	PCV valve \¦pē(ˌ)sēˈvē-\ noun Etymology: positive crankcase ventilation : an automotive-emission control valve that recirculates gases (as from blow-by) through the combustion chambers to permit more complete combustion
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