A diesel engine exposed to widely varying ambient temperatures should use to a lubricating oil with （）<br>A:a high viscosity index<br>B:a low viscosity index<br>C:neutralize acids<br>D:resist oxidation at high temperatures

A diesel engine exposed to widely varying ambient temperatures should use to a lubricating oil with （）
A:a high viscosity index
B:a low viscosity index
C:neutralize acids
D:resist oxidation at high temperatures

出自：海船船员证

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