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发表于 2012-5-10 12:50
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qiufang840706 发表于 2012-5-10 08:38 ! g; }/ u2 r" [; n! _
发出来看一下
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7 X8 k5 z, b) q# _9 E8 |5 F+ o+ y我想让上面那个块下落,撞上中间那个块向下运动,中间那个快和下面通过弹簧连接,但是添加3d接触没有效果,请问是怎么回事啊
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