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单词
positive crankcase ventilation
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pos
′
itive crank
′
case ventila′tion,
[
Auto.
]
Automotive
a means of reducing air pollution by directing the fumes from the crankcase of an engine into the intake manifold, so that they will be channeled into the cylinders and burned.
Abbr.:
PCV
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更新时间:2025/7/31 8:27:10