觀察真是挺仔細的，第一個測的是紅車結果顯示的是負電壓，於是黑車就紅黑表棒反過來好出正值

來源: 5W40 於 2016-07-31 21:12:15 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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