The selection of a lubricating oil depends to a great extent on the operating conditions,（）.<br>A:the type of coolant<br>B:the design of the engine<br>C:the type of fuel to be burned<br>D:B and C

The selection of a lubricating oil depends to a great extent on the operating conditions,（）.
A:the type of coolant
B:the design of the engine
C:the type of fuel to be burned
D:B and C

出自：海船船员证

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