A.1.2±0.2mm B.1.3±0.3mm C.1.4±0.4mm D.1.5±0.5mm
A.不大于lmm B.不小于lmm C.不小于1.5mm D.不大于1.5mm
A.不小于1.5mm B.不大于1.5mm C.不大于2.5mm D.不小于2.5mm