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| burden movement in BF (【技】在高炉炼铁过程中，从高炉炉顶加人的原、燃料在高炉内的运动。在冶炼过程中，炉料不断下降，与上升的高温煤气流接触，矿石和熔剂被加热、分解、还原，经软化、熔融，最终形成铁水和熔渣，积存于炉缸，定期或连续排出炉外；焦炭则被氧化形成上升的煤气流。) | |||
| 高炉炉料运动: 2 phrases in 1 subject |
| Metallurgy | 2 |
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