relative rolling motion 相对滚动
relative pure rolling 相对纯滚
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It is introduced how to select reasonable compression ratio and use relative rolling process according to the quality of billet to improve quality of bar.
介绍了根据连铸坯的质量生产棒材选择合适压缩比,采用相应的轧制工艺,提高产品质量。
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