electric haulage locomotive

例句：

1. 1. The electric haulage locomotive is an essential tool for heavy-duty transportation.
   电动牵引机车是重型运输不可或缺的工具。
2. 2.The new electric haulage locomotive has significantly improved the efficiency of the transport process.
   新型电动牵引机车大大提高了运输过程的效率。
3. 3.The electric haulage locomotive is widely used in various industries due to its high safety and environmental friendliness.
   由于其高安全性和环保特性，电动牵引机车在各行业中被广泛使用。