• Lishi tunnel is the first loess multi-arch tunnel in China. The designs of the tunnel are briefly introduced, including lining structure, prevention drainage treatments and construction process.

    离石隧道我国第一座黄土隧道,简要介绍了隧道衬砌结构排水处理施工工序设计概况。

    youdao

  • Lishi tunnel is the first loess multi-arch tunnel in our country, which is a solid engineering of scientific research projects belonging to the Ministry of Communications.

    离石隧道我国第一座黄土连拱隧道,是交通部科研项目实体工程

    youdao

  • Lishi tunnel is the first loess multi-arch tunnel in our country, which is a solid engineering of scientific research projects belonging to the Ministry of Communications.

    离石隧道我国第一座黄土连拱隧道,是交通部科研项目实体工程

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定