manual valve: 50 phrases in 16 subjects |
Apollo-Soyuz | 1 |
Armored vehicles | 2 |
Astronautics | 1 |
Automobiles | 1 |
Aviation | 2 |
Drilling | 1 |
Energy industry | 1 |
General | 1 |
Military | 1 |
Oil and gas | 1 |
Oil and gas technology | 3 |
Sakhalin | 6 |
Sakhalin R | 1 |
Technology | 22 |
Thermal engineering | 2 |
Transport | 4 |