程序参考：
O0001
N010 G50 X80 Z20;
N020 M04 S800 T0100;
N030 G00 X0Z3 M08;
N040 G42 G01 Z0 T0101 F0.1;
N050 X28;
N060 X29.675 Z-1;
N070 Z-25;
N080 X40;
N090 Z-40;
N100 G02 X50 Z-45 R5;
N110 G03 X60 Z-50 R5;
N120 G01 Z-77;
N130 G40 G00 X65 T0100;
N140 G28 U0 W0 M05 M09;
N150 M04 S350 T0200;
N160 G00 X45 Z-25 T0202 M08;
N170 G01 X20 F0.1;
N180 G04 X1;
N190 G00 X45 T0200 M05 M09;
N200 G28 U0 W0;
N210 M03 S300 T0300;
N220 G00 X40 Z3 T0303 M08;
N230 G92 X28.875 Z-22 F1.5;
N240 X28.275;
N250 X27.875;
N260 X27.715;
N270 G00 X40 T0300 M05 M09;
N280 G28 U0 W0;
N290 M30
