密闭: 238 phrases in 27 subjects |
Aerodynamics | 3 |
Astronautics | 1 |
Aviation | 10 |
Construction | 2 |
Drilling | 1 |
Ecology | 2 |
Electronics | 27 |
Firefighting and fire-control systems | 1 |
Forestry | 1 |
General | 64 |
Geology | 1 |
Mathematics | 2 |
Mechanics | 1 |
Medical | 3 |
Metallurgy | 2 |
Military | 4 |
Nautical | 3 |
Oil / petroleum | 2 |
Oil and gas | 1 |
Oil processing plants | 14 |
Refrigeration | 1 |
Sakhalin | 1 |
Shipbuilding | 1 |
Technology | 87 |
Telecommunications | 1 |
Thermal engineering | 1 |
Transport | 1 |