記得當年在《工業基礎知識》裏學過，功率等於電流乘以電壓，如果電壓低的話，就得加大電流？

來源: 走資派還在走於 2023-07-10 17:15:01 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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