stationary electric contact

例句：

1. 1. The new designof the car has a stationary electriccontact that makes it easier to start.
   这款新车的设计有一个固定的电接触，使得启动更加容易。
2. 2. The technicians used a stationary electric contact to disconnect the powersource.
   技术人员使用了一个固定的电接触来断开电源源。
3. 3. The stationary electric contact isessential for maintaining the safety of the electricalsystem.
   固定式电接触对于维护电气系统的安全至关重要。