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 frame 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 wall seal line, and to wall line bevel edge.