transverse boom

例句：

1. 1. The construction of the bridge involved the installation of several transverse beams.
   建造这座桥时，需要安装几根横梁。
2. 2.The engineer carefully measured the dimensions of the transverse beams to ensure they were properly spaced.
   工程师仔细测量了横梁的尺寸，以确保它们被正确间隔。
3. 3. The weight of the beams was a significant factor in determining the stability of the bridge.
   这些梁的重量是决定桥梁稳定性的一个重要因素。