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1.概述 首钢初轧厂均热炉共有24个炉坑,其中有12个炉坑使用仪表自动调节系统,其余12个圹坑目前还
1. Overview Shougang first rolling mill soaking furnace a total of 24 furnace pit, of which 12 pit use of automatic control system, the remaining 12 pit pit also