 |
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| 汚染源 (おせんげん) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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pollution source : 10 do fraz, 2 tematyki |
| Pospolicie | 9 |
| Technika i technologia | 1 |
|
| |||
| 汚染源 (おせんげん) River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
|
pollution source : 10 do fraz, 2 tematyki |
| Pospolicie | 9 |
| Technika i technologia | 1 |