| 摘要 |
<p>The attachment comprises a tray (B) made from plastics, metal or wood, fastened to the music stand's upright member by a screw clamp or a plastics clip (A). The tray is basically rectangular in shape and has an up-turned outer edge with a trapezoid cut-out section. In variants of the design it can be square, round or in some other shape.</p> |
