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本文对轴承钢管材的光亮退火辊底炉机组的特点和组成进行了介绍，着重探讨了辊底炉各项炉用技术的最新发展。
In this paper, the characteristics and composition of the bright annealing roller hearth unit of bearing steel pipe are introduced, and the latest development of the furnace furnace furnace technology is emphatically discussed.