防止地震時高樓晃動，基礎很重要，哪怕輕度位移也沒關係。

來源: 泉水於 2009-06-29 17:30:51 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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