submarine tunnel
美英
- un.海底隧道
- 网络水底隧道

submarine tunnel
海底隧道
蓬莱海洋极地世界... ... 水下剧场: Underwater Theater 海底隧道: Submarine Tunnel 热带雨林馆: Euhylacion Museum: ...
水底隧道
中国非开挖工程技术网 ... submarine pipe line 海底油管 submarine tunnel 水底隧道 submatrices 子矩阵 ...
1
Discussion on Key Technologies and Countermeasures in Construction of Submarine Tunnel by Mining Method
2
3