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| top and bottom blowing converter process (【技】在顶吹和底吹氧气转炉炼钢法的基础上，吸收二者的优点克服二者的缺点发展起来的新型炼钢工艺。通过在原有氧气顶吹转炉底部吹人不同气体、固体物料，现已形成了多种各具特色的顶底复吹转炉炼钢工艺。) | |||
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