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分运系统 : 26 phrases in 12 subjects |
| Agriculture | 1 |
| Aviation | 4 |
| Business | 4 |
| Communications | 1 |
| Earth sciences | 1 |
| Economy | 2 |
| Electronics | 7 |
| General | 1 |
| Hydraulics | 1 |
| Metallurgy | 1 |
| Space | 2 |
| Technology | 1 |
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