多项选择题

A. G90 G02 X30-0 Y0 R30.0
B. G90 G02 X30.0 Y0 R-30.0
C. G90 G02 X-30.0 Y0 R30.0
D. G90 G02 X30.0 Y0 R30.0
E. G90 G02 X-30.0 Y0 R-30.0