【摘要】 对美国、加拿大、澳大利亚和前苏联等四国生产的磨球，从成型方法、材料成分、组织性能以及耐磨性等方面进行了全面分析和评价。更多还原

【Abstract】 The present work was concerned with the characteristic of grinding balls from four countries. A general reviews and evaluations upon its properties of chemical composition,microstructure,wear-resistonce and forming method has been made.更多还原