A.0.45-0.50mm B.0.20-0.25mm C.0.55-0.60mm
A.承修方 B.送修方 C.雙方
A.2-5-8-3-7-4-1-6 B.1-8-4-3-6-5-7-2 C.1-6-2-5-8-3-7-4 D.2-5-8-4-7-3-1-6