PDF(813 KB)
PDF(813 KB)
PDF(813 KB)
圆梁山隧道2#溶洞正洞施工技术
CONSTRUCTION TECHNIQUE FOR MAIN CAVE OF No.2 KARST CAVE OF YUANLIANGSHAN TUNNEL
| {{custom_ref.label}} |
{{custom_citation.content}}
{{custom_citation.annotation}}
|
/
| 〈 |
|
〉 |