两处住宅面分别朝南北向，成为房间的滤光器和通风过滤器。

Those fa? Ades are facing north and south so they can become a light and ventilation filters.

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更换空调通风口的过滤器。这些过滤器是灰尘和花粉的“吸铁石”。

Change the filters on your air-conditioning vents. These filters are dust and pollen "magnets".

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更换空调通风口的过滤器。这些过滤器是灰尘和花粉的“吸铁石”。

Change the filters on your air-conditioning vents. These filters are dust and pollen magnets.

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