USE#EDGE 使用邊#Sel#Edge 選取邊Select a single known edge.選取一條已知邊。Sel#Loop 選取環Select a loop of entities.選取一環圖元。Sel#Chain 選取鏈Select a chain of entities.選取一鏈圖元。Done/Return 完成/返回Exit this menu.退出此菜單。