| 摘要 |
An air diffuser comprising at least one discharge that is hand manipulable to vary at least two of the airflow rate, the airflow pattern and the airflow direction, wherein the airflow pattern produced by the discharge element may be at least one of a substantially perpendicular axial swirl pattern relative to the discharge element surface or a substantially inclined swirl pattern relative to the perpendicular axis of the discharge element surface.
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