题目内容
10号标准化扩孔钻和锉的尖端直径和刃部末端直径为
2022-03-10
A.0.01mm和0.40mm
B.0.10mm和0.42mm
C.0.15mm和0.47mm
D.0.15mm和0.32mm
E.0.10mm和0.32mm
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