问题是桥墩支撑在哪里(图)?

来源: 2012-08-24 19:54:42 [旧帖] [给我悄悄话] 本文已被阅读:

http://img3.cache.netease.com/photo/0001/2012-08-24/900x600_89LRGN4N00AN0001.jpg