When using a fuel with a higher than normal sulfur content in an auxiliary diesel engine, you should（）<br>A:maintain higher than normal jacket water temperature<br>B:change the lube oil more frequently than normal<br>C:maintain a higher air-box temperature than normal<br>D:maintain a higher air-box pressure than normal

When using a fuel with a higher than normal sulfur content in an auxiliary diesel engine, you should（）
A:maintain higher than normal jacket water temperature
B:change the lube oil more frequently than normal
C:maintain a higher air-box temperature than normal
D:maintain a higher air-box pressure than normal

出自：海船船员证

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