G80 G91 G28 G90 G53 G17 G40 G54 G43 G98 G81 顺便翻译下面一段小程序G80 G91 G28 Z0. ;G90 G53 G00 X-518. Y0 ;T10 M6 ;T11 ;G90 G80 G00 G17 G40 G54 X-920. Y218. M8 ;G43 H10 Z50. S1000 M03 ;G98 G81 Z-19.5 R2 F150 M08 ;X-170. ;M9 ;M5 ;G80 G91 G28 Z0. ;