| |||
| 指定区間 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| |||
| 指定区域 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
Designated section : 2 phrases in 1 subject |
| General | 2 |
| |||
| 指定区間 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
| |||
| 指定区域 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
Designated section : 2 phrases in 1 subject |
| General | 2 |