 |
| 主轴: 214 phrases in 21 subjects |
| Anatomy | 1 |
| Automated equipment | 6 |
| Automobiles | 9 |
| Aviation | 3 |
| Construction | 2 |
| Drilling | 1 |
| Electronics | 10 |
| General | 70 |
| Hydraulics | 1 |
| Mathematics | 1 |
| Mechanic engineering | 2 |
| Mechanics | 5 |
| Military | 2 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Oil and gas technology | 1 |
| Oil processing plants | 2 |
| Pipelines | 1 |
| Roll stock | 1 |
| Shipbuilding | 1 |
| Technology | 92 |