inside connected locomotive

例句：

1. 1. The engineers were inspecting the inside connected locomotivefor any signs of wear and tear.
   工程师们正在检查内部连接的机车，以查看任何磨损的迹象。
2. 2. The insideconnected locomotivewas a crucial component in thetrain's operation.
   内部连接的机车是火车运行的关键部件。
3. 3. The inside connectedlocomotive was designed to improveefficiency and reduce fuel consumption.
   内部连接的机车设计用来提高效率和减少燃料消耗。