A.Ⅰ型 B.Ⅱ型 C.Ⅲ型 D.新Ⅲ型
A.+5mm,25mm B.10mm,20mm C.8mm,18mm D.10mm,30mm
A.+3mm,-3mm B.+10mm,-10mm C.+5mm,-5mm D.+10mm,-5mm