A.4m B.8m C.12m D.15m
A.100mm B.50mm C.75mm D.40mm
A.5～10cm；纵向尺寸 B.10～15cm；纵向尺寸 C.5～10cm；横向尺寸 D.10～15cm；横向尺寸
A.10 B.30 C.50 D.100
A.2mm B.3mm C.4mm D.5mm
