The undergroundpipeline cross interference of city road is an important factor which constrains the whole urban pipeline engineering construction.
城市道路地下管线交叉冲突，是制约整个城市管线工程建设的重要因素。
2
Belong to the underground because of pipeline projects, Therefore, the integrity of their overall engineering of its high demands.
由于管道属于地下工程，故所属整体工程对其完整性要求很高。
3
With more city buildings and denser undergroundpipeline network are constructed, the risk of engineering construction is also becoming increasingly high and attracts more and more attention.