揭阳天桥护栏 定做不锈钢复合管护栏 潮州景观护栏
Jieyang overpass guardrail customized stainless steel composite pipe guardrail Chaozhou landscape guardrail
若需要两者受碰撞后的变形一致，则钢护栏需要更大的刚度。
If it is necessary to have the same deformation after collision, the steel guardrail needs more rigidity.
对钢护栏材料也相应较高。
The material of steel guardrail is also relatively high.
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