What function is provided by the crankcase ventilation system on some diesel engines?（）<br>A:Increases the sludge forming tendency of lube oil<br>B:Prevents the accumulation of combustible gases<br>C:Improves lube oil cooling<br>D:Improves cold weather starting

What function is provided by the crankcase ventilation system on some diesel engines?（）
A:Increases the sludge forming tendency of lube oil
B:Prevents the accumulation of combustible gases
C:Improves lube oil cooling
D:Improves cold weather starting

出自：海船船员证

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