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反井 : 70 phrases in 10 subjects |
| Cryptography | 1 |
| Desert science | 1 |
| Drilling | 7 |
| Earth sciences | 1 |
| Electronics | 18 |
| Engineering geology | 4 |
| Geophysics | 5 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 13 |
| Technology | 19 |
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