curved chord truss

例句：

1. 1.The engineer designed a curved chord truss to support the building's weight.
   工程师设计了一个曲线弦桁架来支撑建筑物的重量。
2. 2.The curved chord truss was used to reinforce the structure during construction.
   在施工期间，使用了曲线弦桁架来加固结构。
3. 3. The curved chord truss is an innovative solution for supporting heavy loads in tall buildings.
   曲线弦桁架是一种创新的解决方案，用于支撑高楼的重载。