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推测一下:被飞机撞击的楼层,由于撞击,燃烧,上层的重压,而垮塌。在这个过程中,上层部分获得了一定的速度,其上千(万?)吨的重量,就象一个巨大的榔头,砸在下一层上,该层不支而垮塌。由此链式反应一般,一塌到底。
abba
(abba)
(#198228@0)
Last Updated: 2001-9-11
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看来新的一轮论战及其对攻又在Rolia燃起了。何必呢!自有公论。再次请教建筑专家DX们一个问题,为什么两个塔楼会轰然崩塌呢?请详述原因。
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