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| 油和水 | |||
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oil and water : 56 phrases in 12 subjects |
| Aviation | 1 |
| Chemistry | 2 |
| Drilling | 24 |
| Earth sciences | 1 |
| Environment | 1 |
| Geology | 3 |
| Metallurgy | 2 |
| Mining | 2 |
| Nautical | 5 |
| Oil / petroleum | 5 |
| Shipbuilding | 2 |
| Technology | 8 |
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