为什么我用离开直线加工处理程序会有X0.002 X0.001 你们看看程序 ！！！是什么问...

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G40 G17 G94 G90 G71
G91 G28 Z0.0
T00 M06
G0 G90 X0.0 Y684.241 B0.0 S500 M03
2 ?# q( Q  R8 w1 GG43 Z650. H00
Z550.
G1 Z450. F2000. M08
$ c& {( h+ M% o7 c" B7 Z# mY682.9 B.499
X-.004 Y681.644 B.967
+ C6 b8 Y! k- Z# Z3 P( _X-.002 Y680.466 B1.405
X.004 Y679.363 B1.815
* Q; e+ d: U5 e- Q+ \Y678.328 B2.2
X.003 Y677.359 B2.561
X-.003 Y676.45 B2.9
X-.002 Y675.598 B3.217
/ ~( @& b( z7 t+ Q# G" Y% RX0.0 Y674.799 B3.514
X-.002 Y674.05 B3.793
X.003 Y672.646 B4.315
X-.002 Y671.418 B4.773
; L$ m$ N) F0 Y* Z6 B6 h) E3 M  YX0.0 Y670.342 B5.173
% P3 \) k# e; Y9 IX.002 Y669.401 B5.523
+ T9 i; |) P9 a0 q8 |1 V4 Q& aX-.002 Y668.578 B5.83
' {9 C" Z" ?$ P: ^+ r$ {X.002 Y667.137 B6.366
  Q. a- x6 r5 J  }) OX-.001 Y666.055 B6.769
# ^2 q+ Y  ]( a4 h3 \5 d' y....................
....................
$ N' O5 p& I1 }2 o....................
....................
Y684.241 B0.0
4 b/ B: y  h3 r* x- e+ X7 @5 GG0 Z550.
Z650.
M02
" g! n7 T) \' c& b. M%
9 o2 g+ s% x% G% t! h6 b% b

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以上传图档   4.0的   四轴加工   大侠们 看看 ！！！！！！！！！！！！！

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