case rear cover

例句：

1. 1.The case rear cover is designed to protect the camera lens from damage during transportation.
   案件后盖板的设计是为了在运输过程中保护相机镜头免受损坏。
2. 2. The rear cover of the phone provides additional protection for the device.
   手机的后盖为设备提供了额外的保护。
3. 3.The rear cover of the laptop is designed to be easy to open and close, allowing for quick access to the keyboard and other components.
   笔记本电脑的后盖设计易于打开和关闭，便于快速访问键盘和其他组件。