鋁合金標槍投擲弧的作用：運動員投擲標槍的限制線（不得越過爿），揚子文體|鋁合金標槍投擲弧銷售
，泰州市揚子文體裝備廠，揚子文體，也是運動員丈量成績的標志線。
 標槍的投擲弧半徑8米。請觀看視頻&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

 鋁合金標槍投擲弧的作用：運動員投擲標槍的限制線（不得越疒過），也是運動員丈量成績的標志線。
 標槍的投擲弧半徑8米。&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

 鋁合金標槍投擲弧的作用：運動員投擲標槍的限制線（不得越過），也是運動員丈量成績的標志線。
 標槍的投擲弧半徑8米。請觀看視頻&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp

揚子文體|鋁合金標槍投擲弧銷售