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| asymmetrical descent of burden (【技】高炉炼铁过程中炉况失常的一种表现。此时高炉内两侧下料速度不同；风口进风量差别大；炉喉煤气曲线不规则，低料线侧 CO₂ 值较低；炉顶与炉喉温度相差大；炉体冷却水温差特别大；各渣口渣温及上下渣温都不均匀。) | |||
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