稳固与否和混凝土厚度高度无关。正如白宫虽然很矮，影响力却大！

来源: xiaohu 于 2012-05-18 05:27:07 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.