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面层土 : 110 phrases in 10 subjects |
| Architecture | 4 |
| Bridge construction | 5 |
| Ecology | 1 |
| Electronics | 1 |
| Engineering geology | 4 |
| General | 1 |
| Hydroelectric power stations | 5 |
| Project management | 1 |
| Rail transport | 1 |
| Technology | 87 |
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