| 摘要 |
<p>The module (1) has a side wall (5) lying opposite to an opening (9), and a projection part (12) provided on an outer surface (11) of the opening. The projection part is adapted to the opening such that the projection part forms a shift protection part. Another side wall (6) lies opposite to another opening (10), and another projection part (14) is provided on an outer surface (13) of the latter opening. The latter projection part is adapted to the latter opening such that the latter projection part forms another shift protection part.</p> |
