[請益] 請問這樣發球有犯規嗎?領空問題消失
請問這樣發球有犯規嗎?
不是身體姿勢問題
是球的飛行路線問題
球是先飛進對面領空 然後在斜對角落地這樣
參考圖
http://ppt.cc/NvRl
這樣有犯規嗎= =+
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