English truss

例句：

1. 1. 桁架；2. 绑扎；3.
   桥、塔等的
2. 1.The wooden trusses hold up the roof.
   这些木制桁架支撑着屋顶。
3. 2.The engineer designed the trusses to distribute the load evenly.
   工程师设计了桁架来均匀分布负载。
4. 3.The trusses were made of steel and could withstand heavy loads.
   这些桁架是用钢制成的，能够承受重载。