angle buttress

例句：

1. 1. The angle buttresses the roof to provide stability.
   这个角度支撑着屋顶，提供稳定性。
2. 2.The engineer designed the structure with an angle buttress to resist wind loads.
   工程师设计了这个结构，用一个角度支撑来抵抗风荷载。
3. 3. The construction of this bridge required the installation of several angle buttresses to prevent collapse.
   这座桥的建设需要安装几个角度支撑以防止坍塌。