用G81加工四个孔编程源程序

 N10 G92X0Y0Z300；                   
 N20 G90G99S1200M03；
 N30 T01M06；       
 N40 G00Z30M08；                                        
 N50 G81X10Y10Z-15R6F25；      
 N60 X50；                        
 N70 Y30；                        
 N80 X10；                        
 N90 G80；                        
 N100 G00Z40；                    
 N110 M05M09；
 N120 M02；