前言 　　排球比赛中，只有发球技术是不需要同伴配合，不受对方干扰自己完成的一项技术。发球是排球比赛中的第一次攻击，它可以直接得分，同时可以破坏对方的一传。特别是在新规则采用以后，发球可以直接得分，也可以直接失分，直接影响比赛结果。本文就如何摆正发球在训练比 Foreword Volleyball game, only the service is a technology that does not require partners to cooperate with each other to interfere with their own completed. Serve is the first attack in a volleyball game, it can score directly, at the same time can undermine the other pass. Especially after the adoption of the new rules, the serve can score directly or lose points directly, which can directly affect the outcome of the competition. This article on how to set the ball in the training ratio