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用 6个轨形孔代替 5个轨形孔轧制UIC 60kgm钢轨 ,降低了断辊、掰辊环及扭脖子事故 ,同时使轧件轧痕及规格不合格量大大减少 ,提高了UIC 60kgm钢轨的出口合格率。
The use of six rail holes instead of five rail holes UIC 60kgm rail, reducing the broken roller, breaking roller ring and torsion neck accidents, while the rolling rolling pieces and specifications greatly reduced unqualified increased UIC 60kg m rail export pass rate.