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| combined top and bottom blowing K-OBM process | |||
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| lance bubbling equilibrium process (【技】顶底复吹转炉炼钢法的一种，于1978年在卢森堡阿尔贝德公司 (ARBED) 取得工业生产规模的吹炼实验成功，是顶底复吹主流转炉炼钢法之一。) | |||
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顶底复吹 K-OBM 转炉炼钢法 : 4 phrases in 1 subject |
| Metallurgy | 4 |
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