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injection of lime with oxygen

métall. 石灰和氧一起喷吹 (Some years ago, it was discovered by French and Luxemburg steel-makers that injection of lime with the oxygen permitted the use of iron of much higher phosphorus content -up to nearly 2 per cent in steelmaking. 若干年前,法国和卢森堡的炼钢工作者发现:将石灰和氧气一起喷吹就可以在炼钢中使用含磷量高达近2%的高磷生铁。)

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