The design of cross section is an important part of the route, which comprises a large part of work in route design.

道路是一条空间带状结构物，其横断面设计是重要的设计组成部分。

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The design of cross section is an important part of the route, which comprises a large part of work in route design.

道路是一条空间带状结构物，其横断面设计是重要的设计组成部分。

youdao