A.動平衡 B.靜平衡 C.磁性探傷 D.表面粗糙度
A.1/4 B.1/3 C.1/2 D.2/3
A.0.08mm,0.2mm/m B.0.05mm,0.1mm/m C.0.10mm,0.2mm/m D.0.05mm,0.3mm/m