江门304不锈钢复合管护栏 惠州河道桥梁护栏定做
Jiangmen 304 stainless steel composite pipe guardrail customized for Huizhou river bridge guardrail
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。
This principle is mainly considered from the aspects of highway grade, characteristics of dangerous 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 the 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 be used as a basis for judging whether it is a reasonable choice.
肇庆人行道304不锈钢复合管护栏 花都道路设施护栏
Zhaoqing sidewalk 304 stainless steel composite pipe guardrail Huadu road facilities guardrail
