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平击发球时的握拍和抛球方式与发上旋球时截然不同,只要掌握了几个关键要点,就能自如收放,达成想要的效果。
Ping Ping serve the ball when the ball and throw the ball on the spin when the ball is very different, as long as the mastery of a few key points, you can freely retractable, to achieve the desired effect.