electrical system : 45 phrases in 12 subjects |
Construction | 2 |
Education | 2 |
Electronics | 17 |
Energy industry | 1 |
General | 2 |
Measuring instruments | 3 |
Mechanic engineering | 2 |
Municipal planning | 1 |
Optics branch of physics | 1 |
Physics | 1 |
Technology | 5 |
Transport | 8 |