链接地址: |
http://baike.baidu.com/item/%E9%9A%A7%E9%81%93%E5%B7%A5%E7%A8%8B%E6%B5%8B%E9%87%8F/1634910#:~:text=%E9%9A%A7%E9%81%93%E5%B7%A5%E7%A8%8B%E6%B5%8B%E9%87%8F%EF%BC%88tunnel,engineering%20survey%EF%BC%89%E6%98%AF%E5%9C%A8%E9%9A%A7%E9%81%93%E5%B7%A5%E7%A8%8B%E7%9A%84%E8%A7%84%E5%88%92%E3%80%81%E5%8B%98%E6 |