| |||
| администрирование аварийных сигналов (oleg.vigodsky) | |||
|
alarm administration : 10 phrases in 2 subjects |
| Measuring instruments | 2 |
| Telecommunications | 8 |
| |||
| администрирование аварийных сигналов (oleg.vigodsky) | |||
|
alarm administration : 10 phrases in 2 subjects |
| Measuring instruments | 2 |
| Telecommunications | 8 |