一般来说，保证平面的加工精度要比保证孔系的加工精度容易。

In general, it is easier to guarantee the machining accuracy of the plane.

youdao

一般来说，保证平面的加工精度要比保证孔系的加工精度容易。

In general, it is easier to guarantee the machining accuracy of the plane.

youdao