力學觀念~ - 土木
By Lily
at 2011-05-11T22:06
at 2011-05-11T22:06
Table of Contents
教授問:一支原子筆為何用拇指與食指壓很難彎曲
但用折的很好彎曲
教授說不是細長比也無關尤拉柱理論
只說與勁度有關
他叫我們再回去想想
各位高手有誰知道!
--
但用折的很好彎曲
教授說不是細長比也無關尤拉柱理論
只說與勁度有關
他叫我們再回去想想
各位高手有誰知道!
--
Tags:
土木
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