1.02一颗直径尺寸偏小点（(6.42+6.46)/2=6.44*6.44*6.44*0.00366=0.97CT(正负0.03之内还可以）1.07一颗也偏小(6.53+6.57)/2=6.55*6.55*6.55*0.00366=1.02CT(正负0.03还可以）
