queen-post truss

例句：

1. 1.The queen-post truss is a classic example of the architectural style known as Gothic.
   皇后桁架是哥特式建筑风格的经典例子。
2. 2. In this project, the queen-post truss was used to support the heavy load from the roof.
   在这个项目中，皇后桁架被用来支撑屋顶上沉重的负荷。
3. 3. The construction of the queen-post truss required careful planning and execution to ensure stability.
   建造皇后桁架需要仔细规划和执行以确保稳定性。