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毽子上为什么要插羽毛?

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石头 发表于 2011-11-3 09:57:25 | 显示全部楼层 |阅读模式
增大空气阻力,使鸡毛毽子在空气中移动的速度减慢。
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hii 发表于 2011-11-3 21:14:32 | 显示全部楼层
具体减慢了多少,是比较微观的。{:soso_e141:}
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小3撸过了 发表于 2012-1-12 19:51:00 | 显示全部楼层
谢谢了。。。 我很赞成,继续努力吧












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jjqtj 发表于 2012-4-12 12:25:11 | 显示全部楼层
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John_Yip 发表于 2012-4-12 13:32:11 | 显示全部楼层
和箭和羽毛球一样,为了稳定飞行的轨道~
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囧迥囧 发表于 2012-5-1 05:24:13 | 显示全部楼层
- -.......












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misenye 发表于 2012-5-28 17:47:51 | 显示全部楼层
哈哈,楼主不错












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semlemloy 发表于 2012-6-5 22:22:37 | 显示全部楼层
交流贴,继续努力发好帖












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C罗小紫 发表于 2012-7-1 11:59:16 | 显示全部楼层
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才竣熬栋 发表于 2012-7-7 15:29:26 | 显示全部楼层
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哲栋川 发表于 2012-9-5 21:49:28 | 显示全部楼层
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uioesdeded 发表于 2012-10-2 09:53:34 | 显示全部楼层

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官令付 发表于 2012-10-4 19:08:08 | 显示全部楼层
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shfafsdk 发表于 2012-10-16 18:32:49 | 显示全部楼层

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shfafsdk 发表于 2012-10-24 01:40:27 | 显示全部楼层

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k5z4q4a8 发表于 2012-11-15 07:54:15 | 显示全部楼层
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望高楣92 发表于 2012-11-29 05:19:33 | 显示全部楼层
说的不错!
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宫禁70 发表于 2012-12-2 11:29:28 | 显示全部楼层
楼主讲的很中肯啊,学习了,谢谢!
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流口水的兔子 发表于 2013-2-11 17:11:09 | 显示全部楼层
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流口水的兔子 发表于 2013-2-17 06:42:20 | 显示全部楼层
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