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| ★ 富氧空气; 富氧空气 (A hot blast of air or oxygen-enriched air reacts with the coke in the blast furnace to form the carbon monoxide required to reduce the iron ore to molten iron and slag. 空气或富氧空气热鼓风与高炉内的焦炭发生反应生成一氧化碳，将铁矿石还原成铁水和形成炉渣。) | |||
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| 富氧空气 | |||
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oxygen-enriched air : 9 phrases in 4 subjects |
| Metallurgy | 5 |
| Mining | 1 |
| Space | 2 |
| Technology | 1 |