 |
| |||
| 河川立体区域 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
spatial river zone : 2 phrases, 1 sujets |
| Général | 2 |
|
| |||
| 河川立体区域 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
spatial river zone : 2 phrases, 1 sujets |
| Général | 2 |