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| 粗度定数 (そど・ていすう) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 粗度パラメーター River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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| 粗度定数 (そど・ていすう) River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 粗度パラメーター River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
