【简答题】
A、A.G91 G00 X50.0 Y160.0 B、B.G91 G00 X-40.0 Y0 C、C.G00 V0 W-40.0 D、D.G00 U0 V-40.0
A、N20 G00 X65.0 Z2.0; N25 G94 U-25. Z0.0 F0.1 B、N20 G00 X65.0 Z2.0; N25 G94 X40.0 W-2.0 F0.1 C、N20 G00 X65.0 Z2.0; N25 G94 U-25.0 W-2.0 F0.1 D、N20 G00 X65.0 Z2.0; N25 G94 U0.0 Z0.0 F0.1 E、N20 G00 X65.0 Z2.0; N25 G94 X40.0 W0.0 F0.1