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| 掃流土砂採取器 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 河床材料採取器 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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| 掃流土砂採取器 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 河床材料採取器 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
