tap-changing switch

例句：

1. 1.The new car has a tap-changing switch on the dashboard.
   新车的仪表盘上有换向开关。
2. 2. The old model had a different type of tap-changing switch.
   旧型号有一个不同的换向开关类型。
3. 3.The engineers replaced the faulty tap-changing switch with a new one.
   工程师们用一个新的来替换了故障的换向开关。