俺有個無繩電話的子機也是這樣，當時百思不得其解，查找半天

來源: old-cotton 於 2006-11-25 19:45:23 [舊帖] [給我悄悄話] 本文已被閱讀：次

發現網上有人說是利用電磁感應原理充電

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