| 摘要 |
<p>The device comprises at least two groups of guides (1-5, 17-19), the guides (1-5) of one of the groups being perpendicular to the guides (17-19) of the other group. The guides (1-5) of one of the groups are connected with at least one carriage (7-11) on which are mounted the guides (17-19) of the other group. Each guide (17-19) of said other group is connected to at least one additional carriage (20-22) connected to decorative scenery equipment for the displacement of the latter in space in any direction.</p> |
