ligação a terra: 110 phrases in 17 subjects |
Agriculture | 1 |
Cables and cable production | 1 |
Chemistry | 1 |
Communications | 2 |
Earth sciences | 11 |
Electric machinery | 17 |
Electric traction | 4 |
Electronics | 40 |
Energy industry | 4 |
General | 1 |
Health care | 3 |
Isolation | 12 |
Mechanic engineering | 6 |
Natural sciences | 1 |
Power system protection | 1 |
Transformers | 2 |
Transport | 3 |