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| 酸性转炉钢 | |||
| 贝氏麦的; 酸性酸炉的 | |||
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Bessemer : 124 phrases in 8 subjects |
| Business | 1 |
| Chemistry | 1 |
| Construction | 2 |
| General | 1 |
| Mechanics | 2 |
| Metallurgy | 79 |
| Shipbuilding | 2 |
| Technology | 36 |
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