On the basis, the author raises the suitable basic level structure forms and types of highway road surface in the area.
在此基础上，提出了适合该地区的公路路面基层结构形式和基层类型。
On the basis, the author raises the suitable basic level structure forms and types of highway road surface in the area.
在此基础上，提出了适合该地区的公路路面基层结构形式和基层类型。
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