美国、加拿大、澳大利亚等限界较大的国家都积极开行了双层集装箱列车。

Many countries with large clearance, like USA, Canada and Australia, have run the double-stack container trains.

youdao

为了提升效益，铁路货运需要开行双层集装箱列车，而上跨铁路立交桥桥下净空不足。

For greater benefit, the railway freight requires operation of double-decked container trains, making the clearance under the railway overpass insufficient.

youdao