乒乓球桌的高度寬度設計有何作用? - 運動
By Hamiltion
at 2006-04-06T00:00
at 2006-04-06T00:00
Table of Contents
今天上體育課很神奇..打乒乓球打一打雖然很累但我注意到球如果打到地上彈到球桌下一定會撞到下面的桿子不知道為什麼這麼湊巧..還有球桌兩旁設計的寬度如果設計長一點的話可能就勾不到網子了..這是誰設計的又是依什麼來設計??真神奇
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運動
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By Zora
at 2006-04-06T04:12
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at 2006-04-10T06:03
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at 2006-04-06T23:27
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