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Re:问下,此题要是其它球还没下落,第一个球就弹回来了,回怎么样?In Reply To:问下,此题要是其它球还没下落,第一个球就弹回来了,回怎么样? Posted by:timeloop at 2008-09-10 10:59:33 > RT,期待各位大大回复. 我错了,不可能的,能量守恒,没认真想,不好意思.^_^ Followed by: Post your reply here: |
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