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QY8A型液压汽车起重机是由大连工学院分析、总结了国内外8吨级同类起重机的技术、结构、性能后,采用优化设计方法推出的一个新机型.金山起重机厂在1986年获得技术转让后着手试制.样机于1987年5月在上海金山进行了技术鉴定.
QY8A Hydraulic Truck Crane is a new model that is developed by Dalian Institute of Technology and summarizes the technology, structure and performance of similar 8-ton cranes at home and abroad, and adopts the optimized design method.Jinshan Crane Factory acquired the technology transfer in 1986 Prototype started in May 1987 in Shanghai Jinshan conducted a technical appraisal.