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| retained slag process (【技】转炉炼钢用于中高磷铁水吹炼的操作法。其做法是将上一炉的终点渣留一部分在炉内，加金属料后带着这部分渣子吹炼。因终点渣含 FeO 高、温度高、流动性好，对下一炉化渣及早期脱磷、脱硫有利。) | |||
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