Therefore, the invention can realize the automatic grouping sieving for the steel ball within the tolerance zone range, and has the advantages of high detecting and sieving efficiency.
因此，本发明可以实现对公差带范围内的钢珠进行自动分组筛选，具有检测筛选效率高的特点。
Therefore, the invention can realize the automatic grouping sieving for the steel ball within the tolerance zone range, and has the advantages of high detecting and sieving efficiency.
因此，本发明可以实现对公差带范围内的钢珠进行自动分组筛选，具有检测筛选效率高的特点。
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