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介绍了宝钢三期工程1550mm冷轧生产线的概况，并分别介绍了酸洗－冷连轧、连续退火、连续热镀锌、连续电镀锌、电工钢连续退火涂层等主要生产机组采用的先进技术和主要技术参数．
This paper introduces the overview of 1550mm cold rolling production line of Baosteel Phase III Project and introduces the advanced technologies adopted by major production units such as pickling and cold tandem rolling, continuous annealing, continuous hot-dip galvanizing, continuous galvanizing and continuous annealing of electrical steel. And the main technical parameters.