| 摘要 |
The stand comprises two arches, surmounted by cap-shaped members (8), each comprising a base (4) and two vertical parallel columns (6) attached to it. The base is in the shape of a parallelepiped block (4) with recesses for the columns, which are machines from steel bar to give them four flat faces to fit into the base recesses. The upper member (8) has two recesses (9) corresponding in shape to the upper ends of the columns (6), positioned to maintain the columns' parallel alignment. |
