 |
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| air pollution measurement | |||
| измерение загрязнения воздуха: 12 phrases in 10 subjects |
| Astronautics | 1 |
| Computers | 1 |
| Ecology | 3 |
| Energy industry | 1 |
| General | 1 |
| Makarov | 1 |
| Measuring instruments | 1 |
| Military | 1 |
| Scientific | 1 |
| Technology | 1 |
|
| |||
| air pollution measurement | |||
| измерение загрязнения воздуха: 12 phrases in 10 subjects |
| Astronautics | 1 |
| Computers | 1 |
| Ecology | 3 |
| Energy industry | 1 |
| General | 1 |
| Makarov | 1 |
| Measuring instruments | 1 |
| Military | 1 |
| Scientific | 1 |
| Technology | 1 |