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| carry-on equipment; flight equipment | |||
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机上设备 : 19 phrases in 8 subjects |
| Aviation | 6 |
| Corporate governance | 1 |
| Economy | 1 |
| Electronics | 1 |
| General | 4 |
| Metallurgy | 1 |
| Rail transport | 1 |
| Technology | 4 |
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