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| 高炉喷煤 (【技】将煤从高炉风口喷人炉内取代部分冶金焦的一种高炉炼铁技术。喷吹用煤有无烟煤、烟煤、褐煤等非焦煤。由于煤的资源丰富，价格低廉，以及高炉喷煤技术日臻成熟，越来越多的高炉已转为喷煤，并已取得了良好的经济技术效益。高炉喷煤可改善高炉操作，提高生铁产量，降低生铁成本，是当代高炉降低焦炭用量的主要措施。) | |||
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coal injection into BF : 5 phrases in 1 subject |
| Metallurgy | 5 |
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