Red Sea Sui Chi tunnels to Suifenhe section of the rail tunnel Mudanjiang expansion and reconstruction project, the design of tunnel-type import and export are used hat oblique Portal to meet the aesthetic requirements. The New Austrian Tunnel construction methods, lining are made of composite lining.Ⅲ ~ Ⅴ grade wall rock songs
Red pool tunnel suijiang line shore section railroad tunnel to 2000, mudanjiang, this design engineering revamping/import and export all USES tunnels DongMen crosswise type hats, i
Red Sea Sui Chi tunnels to Suifenhe section of the rail tunnel Mudanjiang expansion and reconstruction project, the design of tunnel-type import and export are used hat oblique Por
Red Sea Sui Chi tunnels to Suifenhe section of the rail tunnel Mudanjiang expansion and reconstruction project, the design of tunnel-type import and export are used hat oblique Por