valving: 44 phrases in 18 subjects |
Automated equipment | 2 |
Automobiles | 4 |
Construction | 2 |
Drilling | 1 |
Electrical engineering | 3 |
Energy industry | 6 |
Energy system | 3 |
Forestry | 1 |
General | 4 |
Makarov | 1 |
Mechanics | 2 |
Oil and gas | 1 |
Oil and gas technology | 2 |
Oilfields | 1 |
Pipelines | 2 |
Security systems | 2 |
Technology | 6 |
Transport | 1 |