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| 训练良好的; 训练有素的 | |||
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well-drilled : 19 phrases in 8 subjects |
| Agriculture | 2 |
| Drilling | 1 |
| Electronics | 2 |
| Engineering geology | 4 |
| Hydroelectric power stations | 1 |
| Oil / petroleum | 3 |
| Technology | 5 |
| Water resources | 1 |
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