铁心 : 299 phrases in 22 subjects |
Antennas and waveguides | 1 |
Automobiles | 1 |
Aviation | 1 |
Ecology | 1 |
Education | 1 |
Electric machinery | 4 |
Electrical engineering | 1 |
Electricity | 7 |
Electronics | 16 |
Figure of speech | 7 |
Foundry | 2 |
General | 72 |
Mechanic engineering | 4 |
Metallurgy | 2 |
Military | 1 |
Oil processing plants | 1 |
Physics | 1 |
Radio | 5 |
Rail transport | 9 |
Technology | 157 |
Transformers | 1 |
Verbatim | 4 |