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About MOTOJIMA I
About Central Research Inst. Electric Power Industry, Chiba
About KONO I
About Okayama Univ.
About NISHIGAKI M
About Okayama Univ.
About 土質工学会論文報告集
About permeability test
About Water permeability,seepage water,soil water
About Field surveys,soil tests
About ホール
About 透水試験