A.G94 B.G70 C.G90 D.G72
A.G03 X55.0Z-10.0R-10.0 F0.2 B.G02 X55.0Z-10.0R10.0 F0.2 C.G02 X35.0Z-10.0R10.0 F0.2 D.G02 X35.0Z-10.0R-10.0 F0.2
A.起點坐標 B.終點坐標 C.圓心坐標 D.圓心相對圓弧起點坐標