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| coal injection technology (Coal injection technology, together with increasing amounts of oxygen and natural gas, continues to be adopted in North American blast furnace operations to reduce coke consumption and increase productivity. 为了降低焦炭消耗、提高高炉利用系数，在北美高炉操作中继续采用喷煤技术，与此同时增加氧气和天然气的喷人量。) | |||
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喷煤技术 : 6 phrases in 1 subject |
| Metallurgy | 6 |
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