 |
| 真空度: 107 phrases in 20 subjects |
| Automobiles | 36 |
| Aviation | 3 |
| Business | 1 |
| Chemistry | 2 |
| Construction | 1 |
| Earth sciences | 1 |
| Electric machinery | 1 |
| Electronics | 5 |
| Engineering geology | 2 |
| General | 1 |
| Household appliances | 1 |
| Hydroelectric power stations | 2 |
| Metallurgy | 9 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Physics | 1 |
| Plastics | 3 |
| Refrigeration | 2 |
| Space | 1 |
| Technology | 31 |