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这一期我讲讲训练底线抽球的基本方法和要领,希望对广大朋友们有所帮助。欢迎朋友们继续来信提出不同的见解(tenniswang@hotmail.com)。
In this issue, I talk about the basic methods and essentials of training the bottom line, hoping to help our friends. Welcome friends to follow the letter to come up with different opinions (tenniswang@hotmail.com).