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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 phrases, 2 sujets |
| Général | 6 |
| Technologie | 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 phrases, 2 sujets |
| Général | 6 |
| Technologie | 1 |