| 摘要 |
<p>An air conditioning duct (1) for automobiles having a laterally elongated cross-sectional outline. The air conditioning duct (1) for automobiles comprises a top wall (16) and a bottom wall (18) constituting the air conditioning duct (1), and protruding parts (22, 24) extending from the top wall (16) or the bottom wall (18) into the air conditioning duct (1) to couple the top wall (16) and the bottom wall (18). The protruding parts (22, 24) extend continuously in the direction of air flowing through the air conditioning duct (1) and have a constant cross-sectional area in the flow direction.</p> |
