呵呵,错就错了,老实地去看中学物理。
所有跟帖:
• 动量守恒适用于刚性和不刚性碰撞,你出丑了。 -企鹅肥肥- ♂ (0 bytes) () 04/05/2010 postreply 21:48:50
• 动量守恒适用于刚性和不刚性碰撞,你出丑了。 -企鹅肥肥- ♂ (0 bytes) () 04/05/2010 postreply 21:48:50
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