铁磨铁，磨出刃。朋友相感，也是如此。
Iron sharpeneth iron; so a man sharpeneth the countenance of his friend.
“铁磨铁”的关系需要努力和奉献，才有真正的友谊。
A "steel sharpening steel" relationship requires the effort and dedication of true friendship.
采用高能机械球磨法制备了金属铁、钨微粉，分析了铁、钨粉末产品的粒度分布特性、比表面积变化情况及颗粒形貌。
The powder of iron and tungsten are prepared by using high energy mechanical ball mill. The size distribution, specific surface area and grain shape of iron and tungsten powder are analysised.
文章通过选样、筛分、磨样、烘样、溶样等手段对样品进行处理，并按标准ISO9507-1990对样品进行全铁含量检测，考察铁含量随不同粒径块铁矿的变化。
The samples were dealt with selection, sieve, grinding, drying and dissolving. The samples were tested according to ISO9507-1990, the variation of iron content at different particle sizes was studied.
为改善球铁磨球的显微组织及性能，球铁成分应控制在共晶或稍过共晶处。
In order to improve the micro-structure and the properties, the components of the nodular cast iron ball should be controlled in the point of eutectic or hyper-eutectic near the point of eutectic.
为改善球铁磨球的显微组织及性能，球铁成分应控制在共晶或稍过共晶处。
In order to improve the micro-structure and the properties, the components of the nodular cast iron ball should be controlled in the point of eutectic or hyper-eutectic near the point of eutectic.
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