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| 分离系统 | |||
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separation system : 47 phrases in 14 subjects |
| Aviation | 9 |
| Business | 1 |
| Chemistry | 3 |
| Clothing | 1 |
| Electric machinery | 1 |
| Electronics | 4 |
| Mechanics | 1 |
| Metallurgy | 4 |
| Mining | 2 |
| Navigation | 3 |
| Oil processing plants | 2 |
| Space | 7 |
| Technology | 7 |
| Textile industry | 2 |