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柴绍一:以上海为龙头的长三角地区近年来经济发展迅速,2010年上海世博会建设项目众多,从公用建筑情况看超高层建筑、大跨度桥梁、会展馆、体育场馆等多为钢结构工程为主的工程,需使用大吨位塔机;从民用项目来看,城市发展本身的需要以及因世博会会展区域的居民动迁使得居民小区
Chai Shanyi: The Yangtze River Delta region, led by Shanghai, has experienced rapid economic growth in recent years. There are many construction projects for the 2010 Shanghai World Expo. From the perspective of public buildings, most high-rise buildings, long-span bridges, convention halls, stadiums, etc. are mostly steel structures Engineering-based projects, the need to use large tonnage tower crane; from the civilian project point of view, the needs of urban development itself as well as the relocation of the exhibition area of the World Expo residents make residential area