A.G28從參考點返回,G29返回機床參考點 B.G28返回機床參考點,G29從參考點返回 C.G28從原點返回,G29返回機床原點 D.G28返回機床原點,G29從原點返回
A.N60G01X60.Y20.;N70Z-3. B.N60G01Z-3.0;N70M03S800 C.N60G00Z10.;N70G01Z-3. D.N60M03S800;N70M08
A.1930 B.1947 C.1952 D.1958