ADD#RUNNER 加入流道#Point-Point 點-點Bar element between datum points.基準點之間的棒元素Point-Surface 點-曲面Runner between datum points and its projection on surface.曲面上在基準點和它的投影之間的流道。Point-Edge 點-邊Runner between datum points and its projection on edge.邊上在基準點和它的投影之間的流道。