A.80~90m/min B.70~80m/min C.40~60m/min D.14~19m/min
A.斷屑槽 B.分屑槽 C.分屑槽或斷屑槽 D.斷屑槽和分屑槽
A.0.1~0.2mm B.0.2~0.3mm C.0.3~0.4mm D.0.5~1mm