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| 二次精炼设备; 炉外精炼设备 (At first, we established the prediction models of tapping time and transporting time from basic oxygen furnace to the secondary refining plant. 首先，我们建立了出钢时间预测模型和由氧气顶吹转炉到二次精炼设备之间运输时间预测模型。) | |||
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secondary refining plant : 2 phrases in 1 subject |
| Metallurgy | 2 |
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