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中山道路护栏现货 佛山隔离栏价格

惠州甲型护栏价格 京式道路护栏

Central barrier of Conghua road Maoming galvanized Beijing guardrail茂名道路护栏 东莞市政建筑围栏现货

Maoming Road fence Dongguan municipal construction fence stock

但这样虽然保证了立柱顶面平顺。

But in this way, the top surface of the column is smooth.

但由于路面实际标高与设计标高之间存在误差。

However, there is an error between the actual elevation and the design elevation of the pavement.

而且误差较大，所以会出现一行立柱距路缘石顶面高度不一致的现象。

And the error is large, so the height of a row of columns from the top of the curb is inconsistent.

然后打入立柱时，对每根立柱进行测量。

Then, when driving in the column, measure each column.