单项选择题
A.1mm B.5mm C.2mm D.4mm
A.160mm;110mm B.110mm;160mm C.120mm;150mm D.120mm;110mm
A.80mm;70mm B.90mm;75mm C.50mm;70mm D.60mm;40mm
A.6mm;0.2mm B.4mm;0.3mm C.8mm;0.1mm D.5mm;0.2mm
微信扫一扫,加关注免费搜题