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| indirect reduction; reduction by CO | |||
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| indirect reduction (【技】用 CO 作为还原剂，最终生成物是 CO₂ 的还原反应是间接还原。在高炉中，温度小于 soor 的上部区域为间接还原区。); reduction by CO | |||
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| reduction by carbon monoxide | |||
| 间接还原: 8 phrases in 1 subject |
| Metallurgy | 8 |
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