佛山河道隔离栏定做 肇庆锌钢桥梁护栏 道路围栏

Zhaoqing zinc steel bridge guardrail road fence tomized for Foshan River

该原则主要是从公路等级、桥梁护栏外侧的危险物特征等方面考虑。

The principle is mainly considered from the highway grade, the characteristics of danger substances outside the bridge guardrail, etc.

即防撞等级的确定。

That is, the determination of anti-collision level.

该原则是所有所选护栏都应满足的基本要求。

This principle is a basic requirement for all selected guardrails.

所以在是否是合理选择的问题上本条原则上不能作为判别依据。

Therefore, in principle, this article can not beed as the basis for judging whether it is a reasonable choice.