A.0.1mm/r B.0.2mm/r C.0.3mm/r D.0.4mm/r
A.30次/分鐘B.40次/分鐘C.50次/分鐘D.60次/分鐘
A.0.5mm-2mm B.1mm-1.5mm C.2mm-2.5mm D.2.5mm-3mm