| 摘要 |
<p>A tunnel-shaped guide rail (1) section for partitioning part of a roadway has at one extremity a hole (4) and a detachable assembly hatch (5) fitting in that hole. The hole given access to the interior of the guide rail for mounting two sections together. The assembly hatch is placeable in the hole by means of a twist-lock fastening (12,13). <IMAGE></p> |
