termination fitting for catenary

例句：

1. 1. The engineers designed a new type of terminal fitting for the railway system.
   工程师们设计了一种新型的铁路系统终端接头。
2. 2. The installation of this terminal fitting is crucial for the smooth operation of the communication system.
   这种终端接头的安装对于通信系统的顺畅运行至关重要。
3. 3.The engineers carefully tested each terminal fitting before installing them on the train.
   工程师们在安装之前仔细测试了每一件终端接头。