centre socket back

例句：

1. 1. The car's engine is located at the centerof the front panel.
   汽车的发动机位于前面板的中心。
2. 2. The rear camera is acrucial component for capturing high-quality images.
   后置摄像头是拍摄高质量图片的关键组件。
3. 3. The centre socket back is designed tosecurely hold the battery in place.
   中心插座背面设计用来牢固地固定电池。