Also, passing supply air through the floor void improves the cooling capacity of both ceiling and floor.

同样，通过地板间层空间提供通风可以同时提高地板和下层天花板的冷却能力。

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With the acoustic paper or sound proof cotton , the punch ceiling increase absorption capacity of whole closed space and the noise reduction can alter the impact .

冲孔天花板背面加入隔音纸或者隔音棉，有助于增加整个密闭空间的总吸收量，降低噪音给我们带来的影响。

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With the acoustic paper or sound proof cotton , the punch ceiling increase absorption capacity of whole closed space and the noise reduction can alter the impact .

冲孔天花板背面加入隔音纸或者隔音棉，有助于增加整个密闭空间的总吸收量，降低噪音给我们带来的影响。

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