花樣滑冰也不會一直旋轉吧
所有跟帖:
• 不是平衡啦,高速旋轉時減少阻力 -轉眼又黃昏- ♂ (0 bytes) () 02/23/2010 postreply 19:58:41
• 不是平衡啦,高速旋轉時減少阻力 -轉眼又黃昏- ♂ (0 bytes) () 02/23/2010 postreply 19:58:41
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