 |
| |||
| sound pressure meter | |||
| измерение звукового давления: 8 phrases in 5 subjects |
| Mass media | 1 |
| Metrology | 2 |
| Natural resourses and wildlife conservation | 2 |
| Nautical | 2 |
| Unit measures | 1 |
|
| |||
| sound pressure meter | |||
| измерение звукового давления: 8 phrases in 5 subjects |
| Mass media | 1 |
| Metrology | 2 |
| Natural resourses and wildlife conservation | 2 |
| Nautical | 2 |
| Unit measures | 1 |