queen post truss

例句：

1. 1.The construction of the bridge involved the use of a queen post truss system.
   建造这座桥时使用了女王柱式桁架系统。
2. 2. The engineer designed the queen post truss to support the weight of the building.
   工程师设计了女王柱式桁架来支撑建筑物的重量。
3. 3.The queen post truss is a critical component of the bridge's structural integrity.
   女王柱式桁架是桥梁结构完整性的关键组成部分。