multiple valve : 28 phrases in 15 subjects |
Astronomy | 1 |
Automated equipment | 3 |
Automobiles | 1 |
Cardiology | 1 |
Electronics | 1 |
Makarov | 2 |
Mechanic engineering | 5 |
Metallurgy | 2 |
Nautical | 2 |
Oil / petroleum | 1 |
Oil and gas | 1 |
Oil and gas technology | 1 |
Sakhalin | 1 |
Sakhalin R | 1 |
Technology | 5 |