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1前言随着我国国民经济的快速发展，家电、汽车、摩托车等制造业，建筑业以及包装行业对冷轧钢板的需求也日益增加。在国内，宝钢、武钢等企业，通过多年的技术攻关，已形成了CQ－EDDQ冲压系列、结构系列等冷轧钢板品种的批量供货能力。攀钢根据生产线的工艺装备情况及市场需求
1 Introduction With the rapid development of our national economy, the demand for cold-rolled steel sheets in manufacturing, construction and packaging industries such as home appliances, automobiles and motorcycles is also on the rise. In China, Baosteel, Wuhan Iron and Steel and other enterprises, through years of technical research, has formed CQ-EDDQ stamping series, structural series of cold-rolled steel varieties of bulk supply capacity. Panzhihua Iron and Steel production line according to the process equipment and market demand