| 摘要 |
The practice net (6) has an inclined three-section trough (1, 1a) to return balls to a collector (10), mounted on legs (2) with rollers (3). The net is supported by curved arms (4, 4a, 4b, 4c) and is divided into three bands (8, 8a, 8b) of different colors and a top strip (9). In a variant without legs, the trough can be clamped to the table.
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