性bbbbwwbbbb国产,每日大赛在线下载安装指南,尤物娇妻在卧室被工人np,霍雨浩情深吻小舞,国产A级久久,日本熏衣草实验研究,人真做人爱免费视频丫,打扑克高清无码,精东视频影视传媒制作公司 ,金花瓶楷梅花2杨贵妃免费,www.p3c.cn免费网站

一、適用范圍

自改革開放以來(lái)，人們的出行方式日趨豐富，城市交通迅速發(fā)展。但隨著人口及交通工具的不斷增多，交通擁

堵及安全問(wèn)題日矗嚴(yán)重，城市交通問(wèn)題成為城市現(xiàn)代化建設(shè)的重要問(wèn)題之一，特別是在舊城改造過(guò)程當(dāng)中，

人、車爭(zhēng)道的問(wèn)題十分嚴(yán)重。因此，人行天橋作為緩解道路車流與過(guò)街人流矛盾問(wèn)題的最佳方式得到越來(lái)越多

的關(guān)注與重視。

二、材質(zhì)常用為碳鋼和不銹鋼類；

三、表面處理可按客戶要求定制。

一、Scope of application

Since reform and opening up,the way people travel has become increasingly rich,the urban

traffic development rapidly.But with the increasing of population and transportation,traffic

congestion and safery day sit serious,urban traffic problem becomes one of the important ask

tong city modernization construction,especially in the process of urban renewal,and car

traffice problem is very serious.As a result,the pedestrian bridge as a problem of relieve the

contradictions of road traffic and people crossing the street as the best way to get more and

more attention.

二、Commonly used material for carbon steel and stainless steel clsass;

三、Surface treatment can be customized according to customer’s request.