| 摘要 |
<p>The air passage device has multiple evenly distributed openings, for which a space-lateral arrangement is provided. An external exhaust wall (2) is provided behind the space-lateral arrangement. A supply air chamber is provided with an air supply nozzle. The openings of multiple areas of an exhaust wall are locked on a side averted to a ventilated area such that the exhaust wall is subdivided in together-bordering permeable areas (8,14) and impermeable areas (5,16).</p> |
