 |
| |||
| contamination level; level of pollution; pollution level | |||
| impurity level (напр., сырья) | |||
| impurity level | |||
| уровень загрязнённости: 10 phrases in 9 subjects |
| Astronautics | 1 |
| Construction | 1 |
| Ecology | 2 |
| Electrical engineering | 1 |
| Environment | 1 |
| Makarov | 1 |
| Metal science | 1 |
| Military | 1 |
| Quality control and standards | 1 |