About ISHIKAWA YOSHIHARU
About 東京農工大 大学院共生科学技術研究院
About TSUCHIYA SATOSHI
About KONAGAI KAZUO
About 東大 生産技研
About WANG Fawu
About People's Republic of China
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About mudflow deposit damage
About disaster investigation
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About dam
About river channel blockade
About natural dam
About Natural disasters
About General,sabo engineering
About 中国四川大地震
About 土砂災害