单项选择题
A.75%,50%-75%,25%-50% B.50%,25%-50%,10%-25% C.75%,25%-75%,10%-25% D.75%,50%-75%,5%-25%
A.大于50%,小于25% B.大于75%,小于50% C.大于75%,小于25% D.大于50%,小于15%
A.10mm-15mm,5mm-10mm B.8mm-10mm,5mm-8mm C.5mm-10mm,1mm-5mm D.2mm-5mm,1mm-2mm