| 摘要 |
<p>The invention includes a translucent or transparent body, such as a window, having an airtight inner chamber (1, 2), a reservoir (5) having a cavity for a transparent fluid and a cavity (6, 7) for a coloured fluid, an upper conduit and a lower conduit of the chambers (1, 2), and at least one pump (10, 11) for moving the fluids both the upper and lower conduits by means of valves.</p> |
