saw-tooth roof truss

例句：

1. 1. The saw-tooth roof truss was designedto withstand high winds.
   锯齿形屋顶桁架设计用来抵抗大风。
2. 2. Theconstruction of the saw-tooth rooftruss required careful planning and execution.
   建造锯齿形屋顶桁架需要仔细规划和执行。
3. 3. The saw-toothroof truss is an essentialcomponent of many modern buildings.
   锯齿形屋顶桁架是许多现代建筑的必备组件。