扁平特大断面隧道
super-large cross-section tunnel with low height-span ratio
extra-large cross-section and cow flat-ratio tunne
超大断面隧道
Super section tunnel
tunnel with ultra-large section
Tunnel with super large cross-section
大断面隧道
Large profile tunnel
tunnel with large section
large section tunnel
large-section tunnel
large tunnel
tunnel with large cross-section
Large-cross Tunnel
large cross-section tunnel
Large profile tunnels
large cross-sectiontunnel
大断面隧道窑
Large cross-section tunnel kiln
浅埋大断面隧道
Shallow tunnel with large cross-section
Shallowly embedded big fracture section tunnel
特大断面隧道
super large section tunnel
Super-large-section tunnel
tunnel with extra-large cross-section
large cross-section tunnel
浅埋大断面大跨度
sallow large section and span
浅埋大断面大跨度连拱隧道
Shallow-covered Large Cross-section and Large-span Double-arch Tunnel
特大断面大跨度隧道
ultra large-span tunnel with super-large cross-sec
ultra large-span tunnel with super-large cross-section
河下小断面隧道
small cross-section river-crossing tunnel
宽断面隧道窑
the wide section tunnel kiln
wide sectional tunnel kiln