horizontal stiffener

例句：

1. 1.The horizontal stiffeners were designed to support the roof during construction.
   水平加强件设计用来在建造期间支撑屋顶。
2. 2. The engineer used a horizontal stiffener to reinforce the beam.
   工程师使用一个水平加强件来加固梁。
3. 3.The horizontal stiffeners ensured that the structure was stable and safe.
   水平加强件确保了结构的稳定性和安全性。