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| 四辊式轧机 | |||
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| 四辊式轧机 (【技】由位于同一垂直平面内的两个较小工作辊和两个较大支承辊上下排列组成的轧机。) | |||
| 四辊轧机 | |||
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four -high mill : 32 phrases in 4 subjects |
| Metallurgy | 24 |
| Roll stock | 1 |
| Steel production | 2 |
| Technology | 5 |
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