Jack Moehle, a structural engineer at the University of California, Berkeley, said that video of the disaster seemed to show that some older buildings had indeed collapsed.
Jack Moehle博士，加州大学的结构工程师说，从灾难现场的视频看，有些老的建筑的确是倒了。
Jack Moehle, a structural engineer at the University of California, Berkeley, said that video of the disaster seemed to show that some older buildings had indeed collapsed.
Jack Moehle博士，加州大学的结构工程师说，从灾难现场的视频看，有些老的建筑的确是倒了。
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