torque-tube ball

例句：

1. 1.This torque-tube ball is perfect for use in a hydraulic system.
   这个扭矩管球非常适合用于液压系统。
2. 2.The engineer used the torque-tube ball to adjust the gears.
   工程师使用扭矩管球来调整齿轮。
3. 3. The torque-tube ball was crucial in ensuring the machinery operated smoothly.
   扭矩管球在确保机械顺畅运行中起着至关重要的作用。