炼钢生铁硫差产生的原因比较复杂。
The reasons leading to pig iron sulphur difference in steelmaking are very complicated.
为了获得低硅炼钢生铁，必须控制高炉内硅的还原过程。
In order to obtain low silicon iron for steelmaking the reduction process of silicon must be controlled in blast furnace.
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。
In iron smelting and steel-making, great economic benefit can be realized by lowering the content of silicon in steel pig.
柏塞麦炼钢法：1856年由英国的柏塞麦发明的将生铁转变成钢的技术，1860年把该技术投入商业生产。
Bessemer process: technique for converting pig iron to steel invented by Henry Bessemer in England in1856and brought by him into commercial production in1860.
用来炼钢的铁主要有两种，“碱性铁”和“低磷生铁。”
There are two main kinds of iron used for making steel: "basic" iron and "hermatite" iron.
用来炼钢的铁主要有两种，“碱性铁”和“低磷生铁。”
There are two main kinds of iron used for making steel: "basic" iron and "hermatite" iron.
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