G54G90G00X-6.0Y74.0; S1100 G43Z3.0H03; G01Z-8.0F800M08;(该程序段的作用： G41X0D03F180; X46.0: G02X54.0Y66.0I G01Y6.0; X24.0; Y34: G01Y74.0; G40Y80.0;(该程序段的含义 G01G49Z2.0F1000M09: G00Z100.0M05; M30: 1996GS4 G90 GOO X-6. 0 Y74. 0; S1100 G43 Z3. 0 H03; G01 Z-8. 0 F800 M08; (该程序段的作用: G41 XO D03 Fl80 ; X46.0 , G02 XS4. 0 Y66. 0 I J G01 Y6.0; X24.0; Y34; G01 Y74.0; G40 Y80. 0,(该程序段的含义 G01 G49 Z2. 0 F1000 M09; GOO Z100. 0 MOS; M30 , 1996 )