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| 还原期 (【技】普通功率电弧炉在炼钢操作中，通常把氧化末期扒渣完毕到出钢这段时间称为还原期。其主要任务是造还原渣进行扩散脱氧、脱硫、控制化学成分和调整温度。目前高功率和超高功率电弧炉炼钢操作已将还原期取消。) | |||
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