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| removal of alkalis by slag (【技】在高炉造渣过程中将炉料带人高炉的碱金属转人炉渣，并排出炉外的技术。炉渣排碱的目的是减少碱金属对高炉的危害，确保高炉顺行和长寿，从而获得良好的技术经济指标。); removing alkalis by slag | |||
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