voltage control : 49 phrases in 13 subjects |
Automated equipment | 9 |
Construction | 2 |
Earth sciences | 1 |
Electric traction | 2 |
Electrical engineering | 1 |
Electricity generation | 1 |
Electronics | 8 |
General | 5 |
Measuring instruments | 7 |
Mechanic engineering | 1 |
Medical | 1 |
Technology | 7 |
Transport | 4 |