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| 泥灰砂: 56 phrases in 12 subjects |
| Architecture | 2 |
| Bridge construction | 2 |
| Desert science | 1 |
| Drilling | 3 |
| Earth sciences | 2 |
| Electronics | 2 |
| Engineering geology | 1 |
| General | 5 |
| Geology | 2 |
| Hydroelectric power stations | 3 |
| Oil / petroleum | 5 |
| Technology | 28 |
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