box truss

例句：

1. 1. The engineer designed the box truss to support the heavy load.
   工程师设计了箱式桁架来支撑重载。
2. 2.The construction of the bridge was completed using box truss technology.
   使用箱式桁架技术完成了桥梁的建设。
3. 3. The box truss system is efficient in terms of structural strength and durability.
   箱式桁架系统在结构强度和耐用性方面效率高。