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| 堤頂幅員 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 天端幅 (てんばはば) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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| 堤頂幅員 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 天端幅 (てんばはば) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
