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捕水ドレン River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 承水路 (しょうすいろ) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 排水溝 (はいすい・みぞ) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 補水渠 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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排水構 (はいすいこう) |