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曲轴箱有两种典型通风方式,即强制通风和自然通风。强制通风即利用汽缸的真空将曲轴箱的气体强制地吸入汽缸。在通风管中装有流量控制阀(PCV阀),作用是防止发动机怠速时过多的气体流
There are two typical crankcase ventilation, forced ventilation and natural ventilation. Forced ventilation uses the cylinder vacuum to force the crankcase gas into the cylinder. In the ventilation pipe is equipped with flow control valve (PCV valve), the role is to prevent excessive engine idle flow of gas