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| 工程设计系统 | |||
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| 工程设计系统 | |||
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engineering design system : 14 phrases in 7 subjects |
| Aviation | 1 |
| Earth sciences | 3 |
| Economy | 1 |
| Electronics | 5 |
| Information technology | 1 |
| Mechanics | 1 |
| Technology | 2 |
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