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| 输送介质 | |||
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pumped medium : 14 phrases in 9 subjects |
| Agriculture | 2 |
| Engineering geology | 1 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Nautical | 2 |
| Oil / petroleum | 2 |
| Oil processing plants | 1 |
| Shipbuilding | 1 |
| Technology | 3 |
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