English ⇄ Chinese

injection of lime with oxygen
met.	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。)