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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 > 船舶电气与船舶安全

单项选择题

（）is a function of the reactive / resistive characteristics of the load items and cannot be adjusted by manipulating the alternator control devices.

A.Power factor
B.Power ratio
C.compression ratio
D.Compression factor

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