量电压时,电表的内阻是很大的, 量电流和电阻就不一样了.

来源: 原上草2017 于 2021-02-22 11:23:35 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.