因为我们如何保证护栏板立柱的高度统一呢。
Because of how we can ensure that the height of the column of the fence is uniform.
立柱在同一水平线后，高速护栏板的安装也就非常容易、便捷了，否则会出现螺丝错位的现象，无法安装。
Column in the same horizontal line, the high speed rail board installation is very easy, convenient, otherwise there will be a phenomenon of screw dislocation, can not be installed.
安装高速护栏板时，立柱与地面的高度是否一致，不仅仅影响到美观度，而且也影响了护栏板整体的防撞等级。
When the high speed rail is installed, the height of the column and the ground is consistent, not only affects the aesthetic degree, but also affects the overall level of the barrier plate.
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