ergoline

例句：

1. 1. The ergoline is used to connect the two pieces of equipment together.
   动力线用于将两个设备连接在一起。
2. 2. The power rod was used to lift the heavy object from the ground.
   动力杆被用来从地上提起这个重物。
3. 3.The power bar is a useful tool for lifting and moving heavy objects.
   动力杆是一个有用的工具，可以用来举起和移动重物。