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沉积层 : 207 phrases in 25 subjects |
| Agriculture | 4 |
| Automobiles | 2 |
| Aviation | 2 |
| Bridge construction | 3 |
| Cartography | 1 |
| Chemistry | 3 |
| Desert science | 10 |
| Earth sciences | 5 |
| Electric machinery | 2 |
| Electronics | 1 |
| Engineering geology | 9 |
| Explosives and Explosive Ordnance Disposal | 3 |
| General | 6 |
| Geology | 4 |
| Hydroelectric power stations | 5 |
| Metallurgy | 5 |
| Oil / petroleum | 25 |
| Plastics | 1 |
| Polymers | 1 |
| Soil science | 1 |
| Space | 2 |
| Technology | 104 |
| Textile industry | 1 |
| Water resources | 6 |
| Wind Energy | 1 |
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