The underground pipeline colligate alure in city Utility tunnel.
城市地下管线综合管廊俗称共同沟。
With the development of city underground space, there are more and more projects come out in each passing day, in which tunnels are built much close to existing tunnel.
随着城市地下空间的进一步开发，近距离并行隧道施工、盾构隧道近距离相互穿越与日俱增。
It may avoid stopping transportation and polluting city environment to have excavation in the open replaced by shallow-concealed excavation for large scale underground cable tunnel construction.
采用浅埋暗挖法施工地下电缆隧道取代明沟开挖法，可避免阻断交通、污染城市环境。
The underground pipeline colligate alure in city is also say "Utility tunnel".
城市地下管线综合管廊俗称共同沟。
The underground pipeline colligate alure in city is also say "Utility tunnel".
城市地下管线综合管廊俗称共同沟。
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