A.縱向>5mm、橫向>2mm B.縱向>2mm、橫向>5mm C.縱向>4mm、橫向>2mm D.縱向>2mm、橫向>4mm
A.0.2,0.4 B.0.25,0.35 C.0.25,0.45 D.0.35,0.45