【Key words】 ball bearing； flocculus steel ball； bearing vibration； composite electro-brush plating； diamond micro powder；
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Zhuhai Jujing Diamond Enterprise Co. , Ltd is one of the largest diamond micro powder factories in China.
广东省珠海市聚晶金刚石企业有限公司是中国最大的金刚石粉生产企业之一。
The technology of grading of micro diamond powder and the dispersion of micro powder in water are studied in this paper. At the same time a system of shooting flow grader is designed.
本文研究了超细金刚石微粉的流体分级技术，设计了一套射流分级器，并对金刚石微粉在水中的分散性进行了初步研究。
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