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| 【团】 低温还原粉化 (【技】即炼铁用烧结矿和球团矿在低温还原过程中发生碎裂粉化的现象，严重时会影响高炉上部料柱的透气性，破坏高炉炉况顺行。影响烧结矿和球团矿低温还原粉化的因素有：矿石种类、 Fe₂O₃ 的结晶形态、烧结矿碱度、还原温度及铁矿石中其他元素的含量。) | |||
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reduction degradation at low temperature : 2 phrases in 1 subject |
| Metallurgy | 2 |
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