負極接觸不良也會出現類似狀態。是這個原因，緊固一下就會改善。

來源: needtime 於 2020-03-22 19:46:28 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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負極接觸不良也會出現類似狀態。是這個原因， 緊固一下就會改善。