The study of the athletes' leg types who take part in table tennis early specialization training shows that premature specialization training results in athletes' o type leg easily.
对从事乒乓球运动早期专业化训练的运动员腿型的研究显示，过早的专业化训练易导致运动员O型腿的形成。
"YUNG" brand rubbers have already been affirmed by the China Table Tennis Association as the best Type of rubbers, approved by the ITTF for use in international competitions.
永字牌乒乓胶皮，经中国乒联监定为我国最佳产品，经国乒联批准为国际比赛用胶皮。
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