考试
2020-03-16 17:14:03

6498 The star formation is mos

题目描述

The star formation is most commonly used and requires_____ on the alternator.A.one slip-ri



The star formation is most commonly used and requires_____ on the alternator.

A.one slip-ring

B.two sliprings

C.three sliprings

D.four sliprings

请帮忙给出正确答案和分析,谢谢!

答案解析

D

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