根据零件图,补充完下面短线上的程序。 O0001; T0101; M03 S600 ; G99 G00 X18.0 Z2.0; G71 U0.8 R0.3; G71 ___ U-0.3 W0.05 F0.2: N1 G41 G01 X30.2 F0.1 : X28.0 Z-20. 0; Z-30.0; X20.0; Z-42.0; N2 G40 X18.0 ___; G00 Z100. 0; X100.0 M30; A、P1...