佛山港式护栏 深圳新款 锌钢护栏 马路分隔栏现货

详情描述：

佛山港式护栏 深圳新款 锌钢护栏 马路分隔栏现货
Foshan port type guardrail Shenzhen new zinc steel guardrail

由于立柱的高低校起来费工费时，难度又大。

As the height of the column is time-consuming and difficult to calibrate.

我们又采用了下面控制立柱顶面高度的方法。

We also used the following method to control the height of the column top surface.

先以路面设计标高算出路缘石顶面设计标高。

First, the design elevation of the top surface of the curb is calculated according to the design elevation of the pavement.