steel-bar header

例句：

1. 1. The steel-bar header is a crucial component of the bridge's structure.
   钢梁帽是桥梁结构中至关重要的组成部分。
2. 2. The engineer inspected the steel-bar header before starting the construction.
   工程师在开始施工前检查了钢梁帽。
3. 3.The steel-bar header was designed to withstand high loads and prevent collapse during earthquakes.
   钢梁帽被设计来承受高负载并在地震期间防止崩塌。