rail splice

例句：

1. 1. The train was delayed due to a rail splice issue.
   由于一个铁路接头问题，火车晚点了。
2. 2.The engineer carefully inspected the rail splice before starting the engine.
   工程师在启动引擎前仔细检查了铁路接头。
3. 3. The construction crew had to replace several rail splices due to corrosion.
   施工队不得不更换了几个由于腐蚀而损坏的铁轨接头。