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问题详情

While inspecting the main bearings on a diesel engine you find impregnated dirt and scratches in the bearing surface you would, therefore, suspect that （）

A、the bearing had been overheated

B、water was present in the oil

C、the lube oil was not being properly filtered

D、the maximum allowable bearing pressure had been exceeded

时间：2022-01-03 12:06 关键词：船舶电气与船舶安全

答案解析

C

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