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| 火焰 电 离: 52 phrases in 11 subjects |
| Automobiles | 2 |
| Aviation | 1 |
| Chemistry | 2 |
| Earth sciences | 7 |
| Electronics | 3 |
| Geology | 1 |
| Laboratory equipment | 1 |
| Oil / petroleum | 3 |
| Oil processing plants | 5 |
| Technology | 18 |
| Water resources | 9 |
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