背景里有水声。有庄主的歌声，坛里MgAl永远Mg。

来源: 福教授于 2016-07-24 11:38:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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背景里有水声。有庄主的歌声， 坛里MgAl永远Mg。