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| 氧气转炉 | |||
| 氧气顶吹转炉; 吹氧转炉 | |||
| 液氧转化器; 液氧气化器 | |||
| 氧化转炉 | |||
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| 液氧气化器 | |||
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oxygen converter : 70 phrases in 6 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Business | 1 |
| General | 1 |
| Metallurgy | 63 |
| Technology | 3 |
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