About INAGAKI HITONE
About AKIYOSHI YASUHIRO
About YAMAMURA YOSHIHIRO
About NAKAZONO TAKEFUMI
About Journal of Rainwater Catchment Systems
About agricultural water
About Agricultural engineering
About Piping design and work
About ディスクバルブ
About 水撃
About 現象
About 減圧
About 水槽
About 規模