locomotive department

例句：

1. 1. The train's locomotive roared to life just before the station.
   火车头的引擎在车站前轰鸣着启动。
2. 2. The engineer was determined to keep the locomotives running smoothly.
   工程师决心让火车头运行顺畅。
3. 3.The locomotive was a symbol of the industrial revolution.
   火车头是工业革命的象征。