special purpose railway

例句：

1. 1.The special purpose railway connects the two cities, facilitating transportation between them.
   这条专用铁路将两个城市连接起来，方便了它们之间的交通。
2. 2.The special purpose railway is designed for carrying heavy goods and has a high speed limit.
   这条专用铁路设计用于运输重型货物，并有高速限制。
3. 3. The special purpose railway is an essential part of the transportation network in this region.
   这条专用铁路是该地区交通网络的重要组成部分。