SEL#SECTION 選取截面#Select 選取Display dimensions of a section picked on the screen.顯示屏幕上拾取的截面的尺寸All 全部Display dimensions of all sections and trajectories in the feature.顯示特征中的所有截面尺寸和軌跡尺寸Specify 指定Select from the list of all sections and trajectories從所有截面和軌跡列表中選取Done 完成Done processing with this menu.完成此菜單的操作Quit 退出Quit from this menu.從此菜單退出。