A.0.10—0.45mm B.0.01-0.14mm C.0.05—0.54mm D.0.10-0.54mm
A.紫皇冠 B.75W-90 C.二硫化鉬 D.SHC-1500
A.0.05 B.0.5 C.0.15 D.1.5