GET#DTMSEL 選取基準(zhǔn)平面#Select#Plane 選取平面Select datum plane onto which the curve will be projected.選取曲線(xiàn)將投影上去的基準(zhǔn)平面。Make#Plane 生成平面Make datum plane onto which the curve will be projected.生成曲面將投影上去的基準(zhǔn)平面。Quit 退出Abort the selection.中止選取。