| |||
| 汚染源 (おせんげん) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
pollution source : 10 phrases in 2 subjects |
| General | 9 |
| Technology | 1 |
| |||
| 汚染源 (おせんげん) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
pollution source : 10 phrases in 2 subjects |
| General | 9 |
| Technology | 1 |