| 摘要 |
A volleyball practice system that includes a support frame with a pair of post supports. Each of the post supports being mounted on a base that is supported on wheels, and the pair of post supports being connected to one another by a telescoping or adjustable horizontal member. A backdrop net with a pair of opposite ends along a lower edge that are adapted for tethering to an anchoring point supported by the post supports, so that the opposite ends of the lower edge of the backdrop net may be raised or lowered relative to the upper edge of the backdrop net, so that the backdrop may be used to retain or release balls by adjusting the height of the opposite ends of the backdrop net.
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