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石灰石是当代高炉冶炼的主要熔剂。据计算石灰石中SiO_2含量提高1%,给高炉冶炼(使用生矿)造成损失:
Limestone is the major flux of contemporary blast furnace smelting. It is calculated that the content of SiO 2 in limestone increases by 1%, causing losses to blast furnace smelting (using raw ore):