#我是建筑人#绘图命令: PO, *POINT(点) L, *LINE(直线) XL, *XLINE(射线) PL, *PLINE(多段线) ML, *MLINE(多线) SPL, *SPLINE(样条曲线) POL, *POLYGON(正多边形) REC, *RECTANGLE(矩形) C, *CIRCLE(圆) A, *ARC(圆弧)