 |
| |||
| 河川工作物構造物 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
river structure : 3 צירופים, 1 נושאים |
| כללי | 3 |
|
| |||
| 河川工作物構造物 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
river structure : 3 צירופים, 1 נושאים |
| כללי | 3 |