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引用第7楼cal02于2006-06-27 12:28发表的“”:我订的月目标是500PPM,上半年前4个月都达标了(295-400):) 上层发现扣不到我们MONEY,指定为300PPM,真真的是工艺无止境啊........
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引用第6楼cal02于2006-06-27 12:23发表的“”:PPM算法:本批不良总点数/本批生产总点数*1000000点数的算法应该知道吧
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