| 摘要 |
The table (2) is flat and nearly rectangular in shape and has four clamps (8) to hold the equipment. The swivel axis (3) has nuts (3a) which may be turned to lock the table at a given angle. The horizontal swivel axis is mounted on top of a column (12), with a release lever (14), which is supported on a circular foot (1) and can rotate on a vertical axis. |
