ince the beginning of civilization, earthquake disasters have caused both death and destruction —the structural collapse of homes, buildings, and bridges. About 20 years ago, the 1976 Tangshan earthquake inChina resulted in the tragic death of 242,000 people, while 164,000 peoplewere severely ...................
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ince the beginning of civilization, earthquake disasters have caused both death and destruction —the structural collapse of homes, buildings, and bridges. About 20 years ago, the 1976 Tangshan earthquake inChina resulted in the tragic death of 242,000 people, while 164,000 peoplewere severely ...................
http://www.zshare.net/download/62348884267b52/