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问题详情

Compared to a naturally aspirated diesel engine, a supercharged diesel engine has（）

A、a cylinder air charge of higher pressure

B、increased pumping losses

C、less valve overlap

D、reduced blow-by

时间：2022-01-01 15:34 关键词：船舶电气与船舶安全水路交通运输技能考试海船船员考试

答案解析

A

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