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ccnaomi
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樓主  發(fā)表于: 2010-12-23 22:06
三菱PLC電池沒(méi)電了.該如何更換.是關(guān)閉電源更換還是有電源的時(shí)候更換啊.
wwcwwc
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1樓  發(fā)表于: 2010-12-29 18:07
以前我都是做好準備工作（指電池的插腳；類(lèi)型等）帶電更換�，F在認為只要做好備份，定期，停電更換會(huì )安全些。

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