| |||
| 活用放流 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
usable flow : 1 do fraz, 1 tematyki |
| Technika i technologia | 1 |
| |||
| 活用放流 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
usable flow : 1 do fraz, 1 tematyki |
| Technika i technologia | 1 |