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| convergent/divergent (喷管) | |||
| 收 扩: 44 phrases in 15 subjects |
| Air defense | 1 |
| Animal husbandry | 1 |
| Aviation | 4 |
| Computer networks | 1 |
| Economy | 2 |
| Electronics | 9 |
| General | 2 |
| Information technology | 2 |
| Metallurgy | 4 |
| Multimedia | 1 |
| Refrigeration | 3 |
| Securities | 1 |
| Space | 3 |
| Technology | 7 |
| Weightlifting | 3 |
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