This is for hard-wired smoke detector. Check other rooms if ther

來源: borisg 於 2012-12-16 18:31:00 [檔案] [博客] [舊帖] [給我悄悄話] 閱讀數 : (0 bytes)

回答: 請教：這個是安什麽的？是living room頂上的，我猜是電扇。由 SunshineInCA 於 2012-12-16 17:49:40

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