A.4 B.0.6 C.4.6 D.4.3
A.G17 G91 G02 X-30 Y0 R50 F50 B.G17 G91 G03 X-30 Y0 R-50 F50 C.G17 G91 G02 X-60 Y0 R50 F50 D.G17 G91 G03 X-60 Y0 R-50 F50
A.接近90° B.75° C.60° D.45°