| 摘要 |
<p>The woodwork has a sleeper chassis (1) fixed in an opening of a building and a casement (2) associated to the chassis. The chassis has a through aeration holes (11) in one of its elongated elements. The casement is provided with a through aeration hole (21) opening on one of lateral edges and on one of inner sides of dwelling. The holes (11, 21) communicate between corresponding edge of the casement and the element, by an interval (3), and form a baffle with the interval.</p> |
