 |
| |||
| multiple system (ssn) | |||
| система параллельных соединений: 8 phrases in 2 subjects |
| Oil / petroleum | 1 |
| Quality control and standards | 7 |
|
| |||
| multiple system (ssn) | |||
| система параллельных соединений: 8 phrases in 2 subjects |
| Oil / petroleum | 1 |
| Quality control and standards | 7 |