locomotive boiler

例句：

1. 1. The engineer inspected the locomotive boiler before starting the engine.
   工程师在启动引擎前检查了火车头锅炉。
2. 2. The locomotive boiler was a crucial component in the train's power system.
   火车头锅炉是列车动力系统的关键部件。
3. 3. The locomotive boiler was designed to withstand high temperatures and pressures during operation.
   火车头锅炉设计用于在运行过程中承受高温和高压。