液晶顯示器上有USB連接口有什麽用途？

來源: slk999 於 2007-06-13 14:39:49 [舊帖] [給我悄悄話] 本文已被閱讀：次

看液晶顯示器上有USB連接口，還有適配器接口，都是作什麽用的？

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