鴿子鋼管的雜談... - 單車

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其實這篇是廣告文....詳情請看:

http://tw.myblog.yahoo.com/jw!D.KBluKBEQVVqET5Pe58WI3h/article?mid=1995

吱吱!!

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All Comments

Joe avatarJoe2008-03-03
吱吱...
Jake avatarJake2008-03-08
吱吱!能否解說一下抗拉強度的定義?
Yuri avatarYuri2008-03-09
請看材料力學...
Anonymous avatarAnonymous2008-03-12
松鼠不負責任教室
Frederic avatarFrederic2008-03-13
推大隻松鼠三粒歐長輩!!