válvula : 814 phrases in 28 subjects |
Accumulators | 1 |
Agriculture | 42 |
Chemistry | 45 |
Coal | 8 |
Commerce | 2 |
Communications | 5 |
Construction | 3 |
Earth sciences | 89 |
Electric traction | 2 |
Electronics | 66 |
Energy industry | 2 |
Environment | 2 |
General | 17 |
Hobbies and pastimes | 1 |
Industry | 14 |
Information technology | 5 |
Labor law | 3 |
Life sciences | 1 |
Materials science | 26 |
Mechanic engineering | 317 |
Medical | 24 |
Metallurgy | 17 |
Natural sciences | 1 |
Nuclear physics | 1 |
Power electronics | 13 |
Scientific | 1 |
Technology | 1 |
Transport | 105 |