position switch

例句：

1. 1. The position switch on the remote controls is easy to use.
   遥控器上的开关很容易使用。
2. 2. The engineer had to change the position switch after the machine broke down.
   机器出故障后，工程师不得不更换位置开关。
3. 3. The new model has a more intuitive position switch than its predecessor.
   新款模型的位置开关比前一代更直观。