track inspection railcar

例句：

1. 1.The track inspection railcar was used to inspect the tracks for any damage.
   轨道检查车被用来检查轨道是否有损坏。
2. 2.The engineers used the track inspection railcar to make sure everything was in order before they started work.
   工程师们使用轨道检查车来确保一切准备就绪后才开始工作。
3. 3. The track inspection railcar was a valuable tool for maintaining the safety of railways.
   轨道检查车是维护铁路安全的重要工具。