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| 均匀压力; 等压力 | |||
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uniform pressure : 20 phrases in 10 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Bridge construction | 1 |
| Drilling | 1 |
| Economy | 1 |
| Engineering geology | 3 |
| Hydroelectric power stations | 4 |
| Oil / petroleum | 1 |
| Rail transport | 1 |
| Technology | 6 |
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