勾手发球，轻轻松松发下旋
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| VIDEOS | |||
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
| THUMBNAILS | |||
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JPEG | Origin Image | Download |
发下旋球太常用了，哪怕是勾手发球，掌握发下旋也是刚需
关注up主，天天有好看
关注up主，天天有好看
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