track brace

例句：

1. 1. The engineer used a track braceto reinforce the bridge.
   工程师使用轨道支撑加固了桥梁。
2. 2. The construction crew installed the trackbrace before starting the project.
   施工队在开始项目之前安装了轨道支撑。
3. 3. The trackbrace was designed to prevent the trainfrom derailing during heavy rain.
   轨道支撑设计用来防止列车在大雨中出轨。