你这是完全不懂，正是热气上升造成雪融化外面零下近20度直接冻成冰坝

来源: amber0912 于 2015-02-22 07:48:37 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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你这是完全不懂， 正是热气上升造成雪融化外面零下近20度直接冻成冰坝