| 摘要 |
The support (1) has two plates (2,7) that are crossed by two parallel rods (3). The lower plate (2) has a groove (5) to hold the flattened base of the tube (11). The upper plate (7) is removable and has a hollow (8) to hold the top (15) of the stopper of the tube (14). Each upright has a longitudinal groove (6) and the sides of the base of the tube (12) slide in these.
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