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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 |