| 摘要 |
<p>The structure has first connector unit (1) comprising a first end (10) having a first connecting portion (11) in form of a plug. The connecting portion has projection (13) having second end (20) with second connecting portion (21) in form of plug socket, such that second end is opened out. The second connecting portion is arranged in plug, such that second end is introduced into second connecting portion. The second connecting portion has recesses (23) in correspondence with projection and a stop (29) is provided for obstructing pulling out of plug from the second connecting portion.</p> |
