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| low-silicon pig iron process (【技】在控制高炉下部温度和造渣制度条件下冶炼含硅量不超过0.3% -0.4%生铁的生产工艺。高炉采用该生产工艺冶炼生铁具有提高产量、降低焦比和炼铁成本等优点。) | |||
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