 |
| |||
| hours in operation (Typically, this type of engine is overhauled after 17000 hours in operation. Alexander Demidov); hours of operation (Alexander Demidov) | |||
| fired hours (применимо к эксплуатации турбин Tanyabomba) | |||
| working hours (В. Бузаков) | |||
| |||
| operating hour | |||
|
часы наработки : 9 фраз в 4 тематиках |
| Авиация | 4 |
| Военный термин | 1 |
| Техника | 3 |
| Энергетика | 1 |