нормально разомкнутый контакт: 25 phrases in 13 subjects |
Astronautics | 1 |
Automated equipment | 2 |
Aviation | 1 |
Electrical engineering | 3 |
Electronics | 1 |
Energy industry | 1 |
Mechanics | 2 |
Military | 1 |
Programming | 2 |
Rail transport | 2 |
Security systems | 1 |
Technology | 7 |
Telecommunications | 1 |