повторные напряжения : 25 phrases in 13 subjects |
Antennas and waveguides | 1 |
Automated equipment | 1 |
Automobiles | 1 |
Construction | 2 |
Electrical engineering | 2 |
Electronics | 4 |
Forestry | 1 |
Metallurgy | 2 |
Oil and gas | 1 |
Physics | 1 |
Rail transport | 1 |
Technology | 6 |
Transport | 2 |