handle bar plug

例句：

1. 1.The car's steering wheel has a handle bar plug for easy adjustment.
   汽车的方向盘有一个操纵杆插头，便于调整。
2. 2.The bike has a handle bar plug that allows you to adjust the gears easily.
   这辆自行车有一个操纵杆插头，可以让你轻松地调整齿轮。
3. 3. The electric scooter has a handle bar plug that can be used to start the engine.
   这辆电动滑板车有一个操纵杆插头，可以用来启动发动机。