защитные устройства: 32 phrases in 11 subjects |
Automated equipment | 4 |
Automobiles | 1 |
Aviation | 2 |
Construction | 1 |
Electrical engineering | 5 |
Electronics | 4 |
Energy industry | 1 |
Mechanic engineering | 5 |
Natural resourses and wildlife conservation | 1 |
Nuclear physics | 4 |
Technology | 4 |