高速楼顶大字制作楼顶大字制作广告牌上部结构紧张由牌面与立柱组成。 其中的牌面结构一般由型钢焊接而成的钢架与表面铁皮组成，其作用是作为楼顶大字制作楼顶大字制作广告发布的载体。其设计要求满足结构强度、防雷、防腐等要求。
　　The upper structure of the advertisement board of the high speed roof is important for the board and the column. The card structure which is usually composed of steel welded steel frame with the appearance of iron composition, its role is as a carrier of the roof advertising characters making. Its design requirements to meet the structural strength, lightning protection, anti-corrosion and other requirements.
　　立柱是高速楼顶大字制作楼顶大字制作广告牌的支撑，其作用是将楼顶大字制作楼顶大字制作广告牌面的自重及风荷载产生的倾覆力矩传递至基础结构，立柱的形式有钢架结构和单立柱结构等形式dc dc电源模块，目前紧张以单立柱结构为主，其设计要求满足结构强度、防雷、防腐等要求。立柱的外径一般为1m～1.2m百度优化排名，壁厚一般为10mm~12mm。
　　The column is high roof making billboards support characters, its role is to make the billboard top characters of weight and wind load due to the overturning moment transmitted to the base structure, the column form steel frame structure and single column structure present situation, important to single column structure, the design satisfied the requirements of structural strength, lightning protection, anticorrosion requirements. The outer diameter of the column is usually as 1m ~ 1.2m, wall thickness as usual for 10mm~12mm.
　　单立柱楼顶大字制作楼顶大字制作广告牌的上部结构需要定期的进行刷漆保养，其上部结构的设计年限应满足楼顶大字制作楼顶大字制作广告审批文件的要求，上部结构紧张是钢结构百度网站排名，其结构设计年限不宜太长运动策划，一般不宜超过15年。
　　The upper structure of single column roof characters making billboards need regular paint maintenance, the design life of the structure should satisfy the roof advertising characters approval documentation requirements, the upper structure is steel structure, the structure design of life planning activities should not be too long, generally not more than 15 years.
　　近年来，我国广大城市的户外楼顶大字制作楼顶大字制作广告牌已经牌满为患，国家加大力度在整顿楼顶大字制作楼顶大字制作广告市场app 开发，而且要加收很多费用，这样在城市的人流密集地段，楼顶大字制作楼顶大字制作广告位大大减缩，但是楼顶大字制作楼顶大字制作广告市场依然是有增无减，供需矛盾日益激烈，三面翻趁机而入四川人事考试信息网，使一块展位能发挥出三块的效果，分外很是红火，很受人们青睐。
　　In recent years, the majority of our city outdoor roof characters making billboards have brand overflowing, intensify the country in order to make the roof characters advertising market app development, but also to add many of the costs, so in the city’s crowded area, roof advertising greatly reduced production characters, but the roof advertising market is still large increase, the contradiction between supply and demand is becoming increasingly fierce, the three side kick in Sichuan examination of the personnel information network, make a booth to play the three results is very prosperous, very popular.