SELECT#SRFS 選取曲面#Add 添加Select surfaces to add.選取新增曲面。Remove 移除Select surfaces to remove.選取要移除的曲面。Show 顯示Show selected surfaces.顯示所選的曲面。Change 更改Define new mill volume/surface.定義新的銑削體積塊/曲面。Done/Return 完成/返回Done selection and return from menu.完成選取并從菜單返回。