rail cutting machine

例句：

1. 1. This rail cutting machine is very efficient in cutting railway tracks.
   这台铁路切割机在切割铁路轨道方面非常高效。
2. 2.The engineer used the rail cutting machine to clear a path for the construction workers.
   工程师使用铁路切割机为施工工人开辟了通道。
3. 3. The rail cutting machine was designed to quickly and easily remove damaged rails.
   铁路切割机被设计成可以快速而容易地移除损坏的铁轨。