| 摘要 |
<p>The screw has a threaded part (12) including an external thread, where the threaded part is screwed into a hole in fastening walls (8, 9). A support part is aligned with the threaded part and is insertable into another hole in walls (10, 11). The threaded and the support parts are connected to each other such that the total length of the screw is adaptable to the distance between the walls (8, 9) and the wall (10, 11).</p> |
