queen-post girder

例句：

1. 1.The queen post girder is a crucial component in the construction of bridges.
   皇后梁是桥梁建设中至关重要的组成部分。
2. 2.The queen post girder is designed to withstand high loads and resist earthquakes.
   皇后梁设计用于承受高负载并抵抗地震。
3. 3.The queen post girder is used to support the weight of the bridge deck and prevent it from sinking.
   皇后梁用于支撑桥梁桥面板的重量，防止其下沉。