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Development of Centrifugal Cast High Speed Steel Roll with High Wear Resistance for Pre-Finishing St
The present study aims at developing high speed steel ( HSS ) as roll materials to replace traditional roll materials su......
通过分析现有铸造阀门磁粉检测技术的缺点及局限性,研究了磁粉检测大型异形铸造阀门需考虑的因素.依据研究分析结果制定了铸造阀门......
