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| top-blown converter; top-blown rotary converter; top-blown vessel | |||
| upper blown converter | |||
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| top blown rotary converter | |||
| 顶 吹转炉: 131 phrases in 5 subjects |
| Ecology | 1 |
| General | 4 |
| Metallurgy | 119 |
| Steel production | 1 |
| Technology | 6 |
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