A.X1、X2、X4 B.X1、X3、X5 C.X1、X2、X5 D.X1、X3、X4
A.2mm B.3mm C.4mm D.5mm
A.6mm B.5mm C.7mm
A.8±1.5 B.6±1.5 C.4±1.5 D.2±1.5
A.1mm B.1.5mm C.2mm D.2.5mm