About MORI YOSHIYUKI
About KAWABATA TOSHINORI
About クボタ
About LING H I
About Columbia Univ., NY, USA
About SUN L
About Columbia Univ., NY, USA
About 農業土木学会論文集
About pipeline
About Agricultural engineering
About Piping design and work
About 埋設パイプ
About 浮上
About 限界
About 実験