 |
| 流量 计: 374 phrases in 28 subjects |
| Aerohydrodynamics | 2 |
| Architecture | 2 |
| Astronautics | 2 |
| Automated equipment | 10 |
| Automobiles | 2 |
| Aviation | 3 |
| Chemistry | 2 |
| Combustion gas turbines | 1 |
| Construction | 3 |
| Drilling | 1 |
| Economy | 2 |
| Electronics | 37 |
| Flow measurement | 1 |
| General | 68 |
| International Monetary Fund | 1 |
| Medical | 3 |
| Military | 2 |
| Mining | 2 |
| Nautical | 2 |
| Oil / petroleum | 14 |
| Oil and gas | 24 |
| Oil and gas technology | 4 |
| Oil processing plants | 8 |
| Oilfields | 17 |
| Production | 1 |
| Technology | 156 |
| Thermal engineering | 1 |
| Water supply | 3 |