和揚聲器也有直接關係，你1噸的receiver，加上普通揚聲器，和500克的沒兩樣

來源: 用戶名被占用了於 2013-01-24 06:21:51 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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