单项选择题
A.0.01~0.1mmB.0.02~0.3mmC.0.05~0.5mmD.0.1~1mm
A.挤捻法修整刃口B.修磨法修整刃口C.镶嵌法修整刃口D.锻打法修复刃口
A.10~50mmB.50~100mmC.30~60mmD.100~130mm