加工精度高于()μm,加工表面粗糙度值小于Ra()μm的加工方法称为超精密加工
2022-08-23 15:52 机械制造技术基础
加工精度高于()μm,加工表面粗糙度值小于Ra()μm的加工方法称为超精密加工。
0.01,0.001
0.1,0.001
0.1,0.01
0.01,0.01
正确答案:0.1,0.01
加工精度高于()μm,加工表面粗糙度值小于Ra()μm的加工方法称为超精密加工。
0.01,0.001
0.1,0.001
0.1,0.01
0.01,0.01