 |
| |||
| operation noise; working noise | |||
| operating noise (igisheva) | |||
| |||
| operational knocks (напр., насоса, двигателя) | |||
| operational knocks | |||
| рабочий шум: 6 phrases in 5 subjects |
| Automated equipment | 1 |
| Makarov | 2 |
| Mass media | 1 |
| Natural resourses and wildlife conservation | 1 |
| Technology | 1 |