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西格玛与PPM换算表合格率%PPM西格玛合格率%PPM西格玛93320005210091545040100894400304008697002270084130016800809200122007734008800734050620046915001435064565030005987002050549750130050500000900450250600401300400354350230569.982180265950130226600801908003015870013030010560010845506668003西格玛与CPk关系SigmaPPM百分比CPK500，00050%366，80093.320%22，70097.73%4621099.3790%135099.8650%523099.9770%699.99966%第 2 页