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单词
PCV valve
释义
PCV valve
\¦pē(ˌ)sēˈvē-\
noun
Etymology:
p
ositive
c
rankcase
v
entilation
:
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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更新时间:2025/11/20 11:02:02