The stone after the above several processes to complete after grinding, engraving button to button.

石章经过以上几道工序磨制完成后，有钮的才进行雕钮。

youdao

The stone after the above several processes to complete after grinding, engraving button to button.

石章经过以上几道工序磨制完成后，有钮的才进行雕钮。

youdao