 |
| 齿隙: 74 phrases in 21 subjects |
| Agriculture | 1 |
| Air defense | 1 |
| Automobiles | 6 |
| Aviation | 2 |
| Compressors | 6 |
| Computer numerical control | 1 |
| Construction | 3 |
| Dentistry | 1 |
| Drilling | 1 |
| Engineering geology | 1 |
| General | 7 |
| Hydroelectric power stations | 1 |
| Latin | 1 |
| Mechanics | 3 |
| Metallurgy | 2 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Shipbuilding | 1 |
| Space | 2 |
| Technology | 28 |
| Wind Energy | 3 |