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| reducing gas injection (【技】将重油或天然气经裂化处理变成高温的含 CO、 H₂ 的还原气体，直接从高炉中温区炉腰或炉身下部吹人，可避免通过阻损较大的成渣带，有利于高炉顺行、强化气体还原作用、减轻炉缸热量负荷、大幅度降低高炉焦比。) | |||
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还原气体喷吹 : 4 phrases in 1 subject |
| Metallurgy | 4 |
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