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| 球 雷: 37 phrases in 13 subjects |
| Air defense | 9 |
| Aviation | 2 |
| Construction | 1 |
| Earth sciences | 2 |
| Electronics | 3 |
| General | 1 |
| Hydroelectric power stations | 1 |
| Latin | 2 |
| Oil / petroleum | 2 |
| Plastics | 1 |
| Space | 6 |
| Technology | 5 |
| Wind Energy | 2 |
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