| 摘要 |
<p>The cover has a one-piece trough-like cover part and a front lid connected at an edge with the cover part in a hinged manner. The front lid is provided with fold lines, which run parallel to the edge, at which the front lid is connected with the cover part. The fold lines divide the front lid in rectangular portions, where the fold lines and the rectangular portions are folded to form a prism-shaped base (9) triangular in a cross-section. Fixing elements fix the rectangular portions of the front lid. The cover is provided with rubber clamps. The front lid comprises rectangular strips made of plastic, metal and wood.</p> |
