炉外精炼,炉外精炼,luwai jinglian,精炼,luwai,jinglian,[拼音]:luwai jinglian[外文]:secondary steelmaking processes将转炉、平炉或电炉中初炼过的钢液移到另一个容器中进行精炼的炼钢过程,也叫“二次炼钢”。炼钢过程因此分为初炼和精炼两步进行。初炼:炉料在氧化性气氛...