| 摘要 |
<p>The upper and lower horizontal length profiles (1, 2) have a slight downwards sloping pitch on their sides which face each other. The wall comprises an upper hollow horizontal length profile and a lower hollow horizontal length profile which are welded together via a left and right hollow vertical edge profiles (3). A sloping region above the upper hollow horizontal length profile is formed by a hollow angled edge profile (5) and an additional hollow horizontal length profile (4). The wall surfaces are formed by metal panels (8, 9) which are reinforced with hollow profiles (6, 7). The wall also has runner and guide rolls and a closure device.</p> |
