A.0.45倍 B.0.707倍 C.0.9倍 D.1倍
A.0.36mm,0.69mm B.0.69mm,0.36mm C.0.36mm,0.72mm D.0.72mm,0.36mm
A.0.30mm,0.35mm B.0.3mm,0.45mm C.0.36mm,0.69mm D.0.40mm,0.60mm