protection relay: 190 phrases in 18 subjects |
Automated equipment | 46 |
Automobiles | 2 |
Caspian | 3 |
Electrical engineering | 77 |
Electronics | 10 |
Energy industry | 7 |
Energy system | 2 |
Hi-Fi | 2 |
Law | 1 |
Nautical | 1 |
Oil / petroleum | 1 |
Oil and gas technology | 1 |
Oil processing plants | 1 |
Production | 2 |
Rail transport | 1 |
Switches | 5 |
Technology | 26 |
Telecommunications | 2 |