 |
| 土块: 671 phrases in 25 subjects |
| Agriculture | 40 |
| Animal husbandry | 3 |
| Architecture | 26 |
| Aviation | 1 |
| Bridge construction | 12 |
| Business | 1 |
| Chemistry | 1 |
| Construction | 7 |
| Desert science | 3 |
| Drawing | 1 |
| Earth sciences | 1 |
| Economy | 2 |
| Electronics | 16 |
| Engineering geology | 21 |
| General | 16 |
| Hydroelectric power stations | 21 |
| Metallurgy | 14 |
| Nautical | 1 |
| Oil / petroleum | 8 |
| Pest control | 1 |
| Project management | 4 |
| Rail transport | 2 |
| Socialism | 1 |
| Soil science | 1 |
| Technology | 467 |
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