|
artificial storage : 13 phrases in 8 subjects |
| Agriculture | 1 |
| Astronautics | 1 |
| Construction | 1 |
| Ecology | 5 |
| Medical | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |
| Water resources | 1 |
|
artificial storage : 13 phrases in 8 subjects |
| Agriculture | 1 |
| Astronautics | 1 |
| Construction | 1 |
| Ecology | 5 |
| Medical | 1 |
| Oil / petroleum | 2 |
| Technology | 1 |
| Water resources | 1 |