没用过万用表. 学习了一下AC和 DC，Set 200时，是在DC一边。以为左右两边是大小问题。原来是电流方向问题。

来源: yingz8899 于 2023-11-10 07:34:21 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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