 |
pazemes ūdens
izmantošana
| pazemes ūdeņi | |
| earth.sc. environ. min.prod. | grundvand; underjordisk vandlag |
| |||
| grundvand; underjordisk vandlag | |||
| pazemes ūdens: 4 phrases in 2 subjects |
| Earth sciences | 3 |
| Environment | 1 |