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问题详情

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

时间：2022-01-04 02:45 关键词：船舶动力装置海船船员考试

答案解析

D

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