新线建设关键技术研究——特大跨度四线隧道支护技术研究,结题
Release time:2019/10/03
Hits:
- Leading Scientist:
- Zhang Huijian
- Status:
- 完成
- Project level:
- Ministry of railways science and technology development plan
- Date of Project Approval:
- 2009/12/01
- Date of Project Completion:
- 2011/11/02
- Date of Project Initiation:
- 2009/12/01
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- Next:高速铁路隧道服役行为及安全风险控制研究,结题

