By analysing the influence factors on the, ratio of iron to steel and their influence while they changes, this paper points out the main methods for lowering this ratio and their results.
本文通过分析铁钢比的影响因素及各因素变化对能耗的影响，指出降低铁钢比的主要方法及其节能效果。
In iron smelting and steel-making, great economic benefit can be realized by lowering the content of silicon in steel pig.
降低炼钢生铁含硅量对炼铁本身及下一工序的炼钢生产，都能获得重大的经济效益。冶炼低硅的炼钢生铁在国内外已成潮流。
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