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| hydrogen utilization ratio; utilization ratio of hydrogen (【技】衡量高炉炼铁过程中炉内氢在与铁氧化物的还原反应中转化为 H₂O 程度的指标。) | |||
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| utilization rate of hydrogen | |||
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氢 利用 率 : 2 phrases in 1 subject |
| Metallurgy | 2 |
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