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直流电压
,added Category:330 物理學總論 using HotCat
[[File:4a36acaf2edda3cceed2518c0be93901213f926c (1).jpg|缩略图| [https://bkimg.cdn.bcebos.com/pic/4a36acaf2edda3cceed2518c0be93901213f926c?x-bce-process=image/resize,m_lfit,w_268,limit_1/format,f_jpg 原图链接][https://bkimg.cdn.bcebos.com/pic/4a36acaf2edda3cceed2518c0be93901213f926c?x-bce-process=image/resize,m_lfit,w_268,limit_1/format,f_jpg 图片来源百度 直流电源概述图]]]
[[Category:330 物理學總論]]