| 摘要 |
<p>The cladding consists of strips of elastic material, esp. of plastic, pref. unplasticised PVC and of predetermined roughly convex shape. The underside incorporates a double barb which extends the full length of the section, and can lock into a corresponding channel which is fixed to the wall or battens. When the cladding is locked in position, pressure is automatically exerted on both edges.</p> |
