| 摘要 |
<p>The door or gate comprises at least one opening leaf and at least two uprights (3,4) which are formed as integral parts of a prefabricated sill (5). The assembly has a U-shaped cross-section, the sides of which act as the uprights and the horizontal base of which acts as the sill. The sill has a frame (10) to support a seal strip (11) with fixings to the uprights.</p> |
