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| PCI equipment; pulverized coal injection equipment (In addition, the relative cost of coal would be significantly lower than the cost of coke it replaced. This led to the decision late in 1991 to install pulverized coal injection (PCI) equipment for all of Inland's blast furnaces. 此外，煤的相对费用远远低于它所替代的焦炭费用。有鉴于此，于1991年年底决定在内陆钢公司所有的高炉上安装粉煤喷吹设备。) | |||
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粉煤喷吹设备 : 3 phrases in 1 subject |
| Metallurgy | 3 |
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