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furnace availability; furnace availability (Several steel companies have converted to slag splashing in an effort to lower refractory replacement costs and increase furnace availability by reducing the delays associated with furnace refractory relines. 一些钢铁公司转而采用溅渣护炉技术,努力降低耐火材料更换费用,通过降低炉子更换耐火衬耽搁的时间提高炉子的作业率。); furnace production rate; furnace productivity |