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| beam blank (Up to end of May 2008, more than 60. 000 t of beam blanks were cast. The maximum sequence length amounted to 22 heats. 到 2008 年 5 月底，连铸了 6 万多吨工字梁坯，最高连浇炉数为22炉。) | |||
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工字梁轧制用 异 形坯 : 2 phrases in 1 subject |
| Metallurgy | 2 |
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