A diesel engine crankcase ventilation system （）<br>A:prevents spark generation<br>B:removes combustible gases<br>C:determines the level of combustible gases<br>D:provides inert gas generation in crankcase

A diesel engine crankcase ventilation system （）
A:prevents spark generation
B:removes combustible gases
C:determines the level of combustible gases
D:provides inert gas generation in crankcase

出自：海船船员证

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