根据下面的程序段,在坐标系中画出刀具精加工的走刀路径,并判断是加工外轮廓还是内轮廓。 N01 G00 X100 Z50; N02 M03 S800; N03 T0101; N04 G00 X36 Z2; N05 G71 U0.4 R0.4; N06 G71 P10 Q50 U0.3 W0 F200 S1000; N10 G00 X0; N15 G01 Z0 F200; N20 X14; N25 G03 X24 Z-5 R5; N30 G01 Z-15; N35 G02 X34 Z-20 R5; N40 G01 X34 Z-30; N50 G01 X36; N60 G70 P10 Q50; N70 G00 X100 Z50;