英语词汇“pig iron”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pig iron
释义	pig iron noun [mass noun] Crude iron as first obtained from a smelting furnace, in the form of oblong blocks. Compare with pig (sense 4 of the noun).Energy-intensive blast furnaces, convert iron ore to pig iron, while coal is converted to coke.... In the 1780s, Henry Cort developed the puddling furnace, which allowed pig iron to be refined in turn with coke. Steel manufactured in electric arc furnaces from scrap uses far less energy than traditional openhearth furnaces using pig iron.
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