| |||
| кривая растворённого кислорода | |||
|
dissolved-oxygen curve : 4 phrases in 3 subjects |
| Ecology | 2 |
| Energy industry | 1 |
| Water supply | 1 |
| |||
| кривая растворённого кислорода | |||
|
dissolved-oxygen curve : 4 phrases in 3 subjects |
| Ecology | 2 |
| Energy industry | 1 |
| Water supply | 1 |