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| pulverized coal injection (【技】将煤粉喷人高炉用以代替部分价格昂贵且资源紧缺的冶金焦的炼铁技术。喷吹方法分为常压喷吹和高压喷吹两类。) | |||
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喷吹煤粉 : 40 phrases in 1 subject |
| Metallurgy | 40 |
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