A.不小于1.5mm B.不大于1.5mm C.不大于2.5mm D.不小于2.5mm
A.0.3 B.0.4 C.0.5 D.0.6
A.0.1~1.1mm B.0.2~1.2mm C.0.3~1.3mm D.0.4—1.4mm