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| 组装单元 | |||
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| 组装单元 | |||
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module units : 20 phrases in 7 subjects |
| Aviation | 5 |
| Earth sciences | 1 |
| Electronics | 7 |
| Metallurgy | 1 |
| Space | 1 |
| Technology | 4 |
| Telecommunications | 1 |
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