train pipe

例句：

1. 1. The trainpipe was damaged during the accident.
   事故中火车管道受损。
2. 2. The engineer inspected the trainpipe before starting the engine.
   工程师在启动引擎前检查了火车管道。
3. 3. The train pipeis essential for maintaining the smooth operation ofthe railway system.
   火车管道对于维护铁路系统的顺畅运行至关重要。