The blower type crankcase ventilation system （）<br>A:removes combustible gases in the crankcase<br>B:prevents the formation of combustible gases in the crankcase<br>C:cools lubricating oil<br>D:improves cold weather starting

The blower type crankcase ventilation system （）
A:removes combustible gases in the crankcase
B:prevents the formation of combustible gases in the crankcase
C:cools lubricating oil
D:improves cold weather starting

出自：海船船员证

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