The underground pipeline 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。
The cross sectional design of the urban road is the important content in the city construction.
城市道路横断面设计是城市建设中的一项重要内容。
The cross sectional design of the urban road is the important content in the city construction.
城市道路横断面设计是城市建设中的一项重要内容。
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