有大佬知道刀左边这段槽的时候，为什么程序到G0X35Z-9就显示小心碰刀
O0003
M3 S600 T0101 G99
G0 X44 Z0
G1 X-1 F0.1
G0 X40 Z1
G71 U1.5 R0.5 F0.2
G71 P1 Q2 U0.5 W0.02
N1 G0 X32.5
G1 Z0
X34.5 Z-1
Z-25
N2 X40
G70 P1 Q2 F0.1
G0 X100 Z120
T0202 M3 S400
G0 X35 Z-9
G1 X28.5 F0.02
G0 X35
Z-17
G1 X28.5
G0 X100
Z120
M5
M30