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| двойной Т-образный хвост | |||
| 双Ｔ尾: 62 phrases in 11 subjects |
| Aviation | 16 |
| Biology | 1 |
| Electronics | 1 |
| Fish farming pisciculture | 1 |
| General | 9 |
| Geology | 1 |
| Mathematics | 2 |
| Medical | 1 |
| Oil and gas | 1 |
| Ornithology | 1 |
| Technology | 28 |
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