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全部科目 > 水路交通运输技能考试 > 海船船员考试 > 船舶管理(轮机专业) > 轮机英语 > 船舶动力装置

单项选择题

Charging-air pressure increases if there is incorrect combustion and drop in the （） of the diesel engine.

A.machine efficiency
B.machinery efficiency
C.mechanical efficiency
D.mechanics efficiency

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