This helps because the plastic cover keeps the stamps off the wet air.

这是有帮助的，因为塑料盖使邮票远离潮湿的空气。

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Do not remove the plastic cover.

不要拆卸塑料盖。

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With translucent plastic cover to protect display screen.

用半透明塑料覆盖，以保护显示屏。

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With translucent plastic cover to protect display screen.

用半透明塑料覆盖，以保护显示屏。

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