extra reinforced bar

例句：

1. 1.The extra reinforced bar is used to reinforce the structure of the building.
   这种额外加强的棒材用于加固建筑物的结构。
2. 2.The engineer used this extra reinforced bar to strengthen the beams in the bridge.
   工程师使用这种额外加强的棒材来加固桥梁中的梁。
3. 3. The extra reinforced bar was installed to prevent the building from collapsing during a storm.
   安装这种额外加强的棒材以防止建筑在风暴中倒塌。