求翻译：本文以援柬埔寨国家7号公路桔井至柬老边境段改建工程——林大桥跨径25m预应力简支空心板梁桥由原来的汽-20荷载提升为城市-A级荷载为工程实例。第一，分析该桥在城市-Ⅰ级荷载下有哪些技术指标不满足规范要求；第二，进行加固设计及施工；第三，根据加固后的几何特性验算原来不符合规范要求的技术指标是否符合规范要求。第四，根据设计结果绘制施工图纸。是什么意思？

To aid Cambodia's National Highway No. 7 Kratie, Jian old border Rebuild Project - the steam from the forest bridge span 25m prestressed simply supported hollow plate girder bridge and -20 load for the city-a stage of loading for the project instance. First, the analysis of the bridge in the city -

This article in order to aid the Cambodian National Highway No. 7 Kratie to Cambodia, Laos border of forest conversion works - The bridge 25 m diameter cross-support in prestressed hollow core panels from the original beam axle 20 sparkling - Load up to city-level loading A for examples. First of al

This article take helps the Cambodian country 7th road orange well to promote to the Cambodian old frontier section reconstruction project - - forest bridge span 25m pre-stressed simple support hollow plate girder bridge by the original steam - 20 loads as the city - A level load for the project exa

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