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2006年的一个夏夜,天津市某地下工程工地一台履带式起重机在进行地连墙作业时发生起重臂坠落事故,我们受委托对该履带起重机进行了技术分析,作出事故鉴定。
On a summer night in 2006, a crawler crane at an underground construction site in Tianjin was involved in a jib crane accident when conducting wall work. We commissioned a technical analysis of the crawler crane to make an accident identification.