均 衡器 : 71 phrases in 13 subjects |
Antennas and waveguides | 1 |
Automated equipment | 1 |
Communications | 1 |
Electrical engineering | 1 |
Electricity | 2 |
Electronics | 9 |
General | 15 |
Jet engines | 1 |
Military | 1 |
Nautical | 3 |
Oil processing plants | 2 |
Radio | 4 |
Technology | 30 |