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以自行设计的QTC4013型城市塔式起重机为例,介绍其基本性能及主要金属结构和机 构特点,并从三个方面分析比较了国内外塔式起重机的技术新发展。
Taking QTC4013 city tower crane designed by itself as an example, its basic performance, main metal structure and mechanism characteristics are introduced, and the new technological development of tower cranes at home and abroad is analyzed and compared from three aspects.