A large, low-speed, crosshead, main propulsion diesel engine using residual fuel oils must have a cylinder oil having a （）<br>A:low TBN value<br>B:high alkaline reserve<br>C:low flash point<br>D:high pour point

A large, low-speed, crosshead, main propulsion diesel engine using residual fuel oils must have a cylinder oil having a （）
A:low TBN value
B:high alkaline reserve
C:low flash point
D:high pour point

出自：海船船员证

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