 |
| |||
| operation and maintenance system (oleg.vigodsky); operation maintenance system (oleg.vigodsky) | |||
| система эксплуатации и технического обслуживания: 8 phrases in 2 subjects |
| Military | 7 |
| Technology | 1 |
|
| |||
| operation and maintenance system (oleg.vigodsky); operation maintenance system (oleg.vigodsky) | |||
| система эксплуатации и технического обслуживания: 8 phrases in 2 subjects |
| Military | 7 |
| Technology | 1 |