拳頭磅數到底怎樣算??? - 啞鈴
By Lily
at 2007-04-27T00:00
at 2007-04-27T00:00
Table of Contents
我翻了很多知識!都沒找到類似的資料!所以來問問!想請問一下~到底拳擊也就是一拳的磅數到底怎樣算!假設我一拳是100磅~那他又代表幾公斤!那又譬如我一拳打出5公斤~那又大概是多少磅!知識看了一下~好像沒有這算法!像我聽我一個朋友講~如果我拿者3公斤的啞鈴~如果揮一拳跟不能啞鈴一樣快~是不是我就
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啞鈴
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By Todd Johnson
at 2007-05-01T07:35
at 2007-05-01T07:35
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