俺認為是。負極就是零電位，並不是字麵上所說負的。負電壓同樣是電壓，電人一點不少。

來源: 上流Man 於 2015-02-22 17:21:32 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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