A.0.1~0.3% B.0.3~0.5% C.0.5~1% D.1~1.5%
A.1.0~1.5 B.1.5~2.0 C.2.0~2.5 D.2.5~3.0
A.0.01mm/min B.0.02mm/min C.0.04mm/min D.0.06mm/min