盖子螺丝一些通常由标签覆盖，如果盖子被打开之前，你可以看到，它已损坏或缺失。

Some screws of the lid are usually covered by the sticker so if the lid was opened before you can see that it is damaged or absent.

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最后，后面板覆盖面和加强所有螺丝来完成这项工作。

Finally, the rear panel cover and tighten all the screws to complete the work.

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最后，后面板覆盖面和加强所有螺丝来完成这项工作。

Finally, the rear panel cover and tighten all the screws to complete the work.

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