White smoke issuing from the exhaust of an auxiliary diesel engine valve opening （）<br>A:the engine is overloaded<br>B:the engine is cold<br>C:there is too much lube oil in the cylinders<br>D:the turbocharger is fouled

White smoke issuing from the exhaust of an auxiliary diesel engine valve opening （）
A:the engine is overloaded
B:the engine is cold
C:there is too much lube oil in the cylinders
D:the turbocharger is fouled

出自：海船船员证

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