PM2017版写出来的程序拐角怎么变成圆弧

10.0
G00 G40 G49 G17 G80 G90 G54
G91 G28 Z0
T1 M6
G00 G90 G54 X12.496 Y-71.02
S2500 M3
G43 H03 Z73.375
X12.496 Y-71.02 Z4.681
G01 Z-0.319 F1000.0
Y-70.52 F2000.0
Y-19.362
G17 X12.501 Y-19.094
G03 X9.447 Y-16.104 R2.999
G01 X9.268 Y-16.109


这个是10.0编的是按圆弧走的
同样的后处理2017的变成按点走的

2017
T1 M6
G00 G90 G54 X10.495 Y-71.05
S2500 M3
G43 H01 Z73.375
X10.495 Y-71.05 Z4.651
G01 Z-0.349 F500.0
Y-70.55 F1500.0
Y-19.685
X10.498 Y-19.125
X10.493 Y-19.011
X10.486 Y-18.955
X10.476 Y-18.899
X10.447 Y-18.791
X10.418 Y-18.715
X10.383 Y-18.641
X10.342 Y-18.57
X10.296 Y-18.503
X10.261 Y-18.461
这个是软件本身的问题还是后处理的问题？？

谢谢分享~~