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| 可逆式轧机 (White-hot ingots of steel weighing 25 to 50 tonnes are first flattened in large reversing mills, to make slabs from 125 to 175 cm wide and 10 cm thick. 首先将重达 25 ~50t 的白热钢锭在大型可逆式轧机中轧扁成125 ~ 175cm 宽、 10cm 厚的板坯。); 可逆式轧机 | |||
| 可逆轧机 | |||
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reversing mill : 70 phrases in 5 subjects |
| Construction | 1 |
| Electric machinery | 1 |
| Metallurgy | 44 |
| Steel production | 11 |
| Technology | 13 |
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