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| 结晶器在线调宽 (【技】在连铸机正常拉坯的条件下改变铸坯宽度的操作。其优点是：①增加铸坯规格、缩短停机时间、提高生产能力；②减少切头切尾、提高金属收得率；③可在不停机的情况下浇注成分相近、尺寸有别的铸坯。结晶器在线调宽通常是通过移动其窄边来实现的。) | |||
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on-line variable width of mold : 2 phrases in 1 subject |
| Metallurgy | 2 |
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