消 声 器 : 273 phrases in 25 subjects |
Agriculture | 1 |
Air defense | 1 |
Archery | 1 |
Architecture | 3 |
Audio electronics | 1 |
Automobiles | 78 |
Aviation | 2 |
Chemistry | 1 |
Compressors | 12 |
Construction | 2 |
Drilling | 1 |
Ecology | 6 |
Electronics | 1 |
General | 4 |
Geophysics | 1 |
Metallurgy | 1 |
Nautical | 3 |
Oil / petroleum | 3 |
Refrigeration | 15 |
Shipbuilding | 2 |
Space | 3 |
Steel production | 2 |
Technology | 127 |
Telecommunications | 1 |
Transport | 1 |