 |
| |||
| Gewässersanierung f | |||
| Wassergüteverbesserung f | |||
| |||
| Wassergüteverbesserung f | |||
| water quality improvement: 2 phrases in 2 subjects |
| Environment | 1 |
| Natural resourses and wildlife conservation | 1 |
|
| |||
| Gewässersanierung f | |||
| Wassergüteverbesserung f | |||
| |||
| Wassergüteverbesserung f | |||
| water quality improvement: 2 phrases in 2 subjects |
| Environment | 1 |
| Natural resourses and wildlife conservation | 1 |