| |||
| коммутация вентилей (Konstantin 1966) | |||
|
commutation of the rectifiers : 2 phrases in 1 subject |
| Electrical engineering | 2 |
| |||
| коммутация вентилей (Konstantin 1966) | |||
|
commutation of the rectifiers : 2 phrases in 1 subject |
| Electrical engineering | 2 |