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充电宝在给手机锂电池充电的时候采用了以下哪种变流方式？
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充电宝在给手机锂电池充电的时候采用了以下哪种变流方式？
A.整流
B.逆变
C.直流-直流
D.交流-交流
正确答案：直流-直流
Tag：
电力电子技术
锂电池
方式
时间：2022-01-25 13:59:05
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整流是以下哪两种电能形式之间的转换？
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