switch cover

例句：

1. 1. The new model phone has a sleek switch cover design that is easy to operate.
   新款手机拥有光滑的开关盖设计，易于操作。
2. 2.The technician replaced the old switch cover with a new one to fix the problem.
   技术人员用一个新的开关盖替换了旧的，以解决问题。
3. 3. During the installation process, the switch cover was carefully placed to ensure proper functioning.
   在安装过程中，开关盖被小心放置，以确保正常工作。