The selection of a lubricating oil depends to a great extent on the operating conditions,（）.
- Athe type of coolant
- Bthe design of the engine
- Cthe type of fuel to be burned
- DB and C
问题
The selection of a lubricating oil dep
参考解析：
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2、Loss of lubricating oil pressure to th
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3、The ability of lubricating oils to res
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4、The remaining oil in the lubricating p
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5、The selection of an oil from the （） de
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6、The amount of lubricating oil in the d
The amount of lubricating oil in the drain tank should be checked by （）.AmeasuringBsounding rodCmeteringDweighting