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

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