In the construction of the highway project, the highway line is generally controlled by the middle stakes and the width of highway is measured with a steel ruler from the middle stakes to both sides.
公路工程施工中，公路线形一般由中桩控制，公路宽度是用钢尺自中桩向两侧丈量。
In the construction of the highway project, the highway line is generally controlled by the middle stakes and the width of highway is measured with a steel ruler from the middle stakes to both sides.
公路工程施工中，公路线形一般由中桩控制，公路宽度是用钢尺自中桩向两侧丈量。
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