框选成角平行墙体线，倒角。 用于封闭因有窗体截断墙体线，不能计算墙体工程量，可删除墙体封口线，并对墙体线倒角。 -The fr a me chooses the angle parallel wall line, the bevel edge. Because uses in sealing up has the window to interrupt the wall line, cannot calculate the wall resilience, may delete the