后处理这样的文件，怎么改啊

蓝色经典

N0220 G2
( X. n& ^+ L% eN0230 G1 X144.308
+ f& x  e+ i; W# R- X) }1 \$ }N0240 G2
N0250 G1 X143.321
N0260 G2
3 t2 b! h6 M. V  A- a" qN0270 G1 X142.334
N0280 G2
+ |3 |. w# u7 i$ ^: U, rN0290 G1 X141.348
N0300 G2
5 i2 _$ R1 i& YN0310 G1 X140.361
( t* K9 J# k# X+ k  GN0320 G2
% M) O! b. U5 y$ w- k5 L7 _/ bN0330 G1 X139.375
1 R! ~5 \: X$ o; q+ e* K. y% NN0340 G2
( i- ^3 }! B) ?: b7 V" d# ]N0350 G1 X138.388
N0360 G2
; Z9 p; j) i% fN0370 G1 X137.402
6 ]8 N) L$ H6 k' X" y7 aN0380 G2
( d4 c0 o1 b6 wN0390 G1 X136.415
" p4 X5 D7 p4 ]N0400 G2
7 ?6 `; r# W' d4 wN0410 G1 X135.429
N0420 G2
N0430 G1 X134.442
N0440 G2
+ J' z$ a( p, c# \6 ^' Z! VN0450 G1 X133.456
8 u+ I7 f  v. D9 k" H0 {1 jN0460 G2
6 X; C+ Z" k1 ]; IN0470 G1 X132.469
& a( x& Z2 [* o6 T* WN0480 G2
N0490 G1 X131.482
- G) b: g5 Y$ L2 j- TN0500 G2
N0510 G1 X130.496
6 X( t* h$ j7 y, SN0520 G2
N0530 G1 X129.509
- w, I5 J" W3 T; k, T: X, }N0540 G2
6 ~" N: D3 |5 ~3 ?$ hN0550 G1 X128.523

wjljp2046

8 g" F) E1 Z- _- ~! K
走完直线，走整个圆弧？？？
' r& B) I0 b+ X4 ~9 `不懂？ 为什么不用子程序呢？？？