PDF(604 KB)
PDF(604 KB)
PDF(604 KB)
盾构隧道下穿西气东输管道保护方案
Protection Scheme for Shield Tunnel Under - passing West - East Gas Pipeline
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |