| 摘要 |
The invention relates to an airflow control means, in particular for a motor vehicle heating, ventilation and/or air-conditioning system with an air flap (20) arranged in an air duct with first surface sections (11, 12, 13, 14, 21, 22, 23, 24) for mutual engagement and second surface sections (17, 26, 27), which do not engage with each other, whereby surface structure elements (28) are embodied on at least one second surface section (27). |
