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篮球打气时要不要把气针插进内胆
更新时间: 2020-08-18 00:00:00  

篮球打气必须要把气针插进内胆,否则气打不到篮球内部。

篮球的结构如下:内胆:篮球的最里层,由黑色橡胶制成缠丝,在球的内胆表面均匀缠绕的一层保护层;中胆:内胆和表皮之间的橡胶支撑结构;表皮:分为真皮、橡胶、合成皮三大类;球嘴:对篮球充气时的通道,篮球为正圆体,外皮一般使用皮、橡胶或合成物质等材质制成,重量约为600至650克,周长为75至78厘米。

关键词: 篮球 打气 不要 内胆

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