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| LD-OTB 法 (一种顶底复合吹炼转炉炼钢工艺，由日本神户钢铁公司开发。采用了专门的底吹单环缝形喷嘴，能在较宽的范围内对底吹气体进行有效控制。) | |||
| English thesaurus | |||
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| LD oxygen top and bottom process | |||
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