 |
| 形螺纹: 134 phrases in 21 subjects |
| Architecture | 2 |
| Automobiles | 9 |
| Aviation | 5 |
| Business | 1 |
| Dermatology | 1 |
| Drilling | 10 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 7 |
| Mechanics | 5 |
| Metallurgy | 7 |
| Nautical | 1 |
| Oil / petroleum | 22 |
| Plastics | 6 |
| Refrigeration | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 47 |
| Textile industry | 4 |
| Wind Energy | 1 |