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单词
positive crankcase ventilation device
释义
positive crankcase ventilation device
网络
曲轴箱积极通风装置
网络释义
1.
曲轴箱积极通风装置
1.
曲轴箱积极通风装置
（
Positive Crankcase Ventilation Device
）汽缸漏气中的HC，经曲轴箱通风孔而排出，约占总额25％。
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更新时间：2026/4/24 15:44:27