

Shield Tunneling Technology in Hard-Soft Uneven Stratum and Extremely-Soft Stratum
1 709,-

Construction Technology of Large Diameter Underwater Shield Tunnel
1 214,-

Three-Dimensional Exploration Technology of Tunnel Geology
1 709,-

Shield Tunneling Technology in Hard-Soft Uneven Stratum and Extremely-Soft Stratum
1 709,-

Construction Technology of Large Diameter Underwater Shield Tunnel
1 592,-

Three-Dimensional Exploration Technology of Tunnel Geology
1 709,-

Shield Tunneling Technology in Hard-Soft Uneven Stratum and Extremely-Soft Stratum
1 709,-

Construction Technology of Large Diameter Underwater Shield Tunnel
1 214,-

Three-Dimensional Exploration Technology of Tunnel Geology
1 709,-

Shield Tunneling Technology in Hard-Soft Uneven Stratum and Extremely-Soft Stratum
1 709,-

Construction Technology of Large Diameter Underwater Shield Tunnel
1 592,-

Three-Dimensional Exploration Technology of Tunnel Geology
1 709,-













