[China Glass Net] The dustproof structure of the structure is relatively dust-proof, and the external circulation structure is widely used in Europe. Because most of the northern part of China has a lot of wind and sand in spring and autumn, especially the inhalable particles and insects are very serious. The external circulation system structure cannot fully meet the requirements of northern China from the aspects of dust prevention and cleaning. When designing the external circulation system, the dustproof and cleaning form should be fully considered to be suitable for the actual situation in China. The electric inlet and outlet are equipped with an electric adjustment hundred-page device, and the surface is coated with “nano†paint in the ventilation device to reduce Dust. The transition network between the double-layer curtain walls should be designed to facilitate the replacement and cleaning of indoors.
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