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| 河川の整備 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 河川整備 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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river development : 7 a las frases, 2 temas |
| General | 6 |
| Tecnología | 1 |
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| 河川の整備 River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 河川整備 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
river development : 7 a las frases, 2 temas |
| General | 6 |
| Tecnología | 1 |