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7号篮球多大
更新时间: 2020-11-16 00:00:00  

7号一般是篮球标准。男子篮球比赛用7号球,周长为0.749-0.780米,重量567-650克;直径24.6厘米。

男子篮球比赛用7号球充气后使球从大约1.8米高度(底部量)落到球场地面上,反谈起来高度应在1.2米到1.4米之间,球接缝的宽度不得超过0.635厘米,球的圆周不得小于74.9厘米

关键词: 篮球

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