| 摘要 |
<p>The connection system is multi-purpose. It incorporates projecting profiles and retainers on the sections to be connected, which may be used repeatedly. The joint between the sections has a groove for the retainers. The profiles may be set back, so that the connections are covered. All profiles may be of a thickness, so as to ensure that after a connection, all sections finish on a level plane.</p> |
