桌球發球教學：直板背面發右側下旋球
5:47
Added: 5 months ago
From: yen751209
Views: 10,566
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  • I saw Wang Hao using this but doesn't really understand how it works until this tutorial.

    siulunglee 3 months ago

  • 好厲害噢噢哈

    whateverisbeening 3 months ago

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