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| 重力流: 88 phrases in 20 subjects |
| Automobiles | 1 |
| Business | 2 |
| Chemistry | 3 |
| Construction | 2 |
| Earth sciences | 2 |
| Ecology | 1 |
| Electric machinery | 1 |
| Electronics | 1 |
| Engineering geology | 3 |
| Explosives and Explosive Ordnance Disposal | 1 |
| General | 1 |
| Hydroelectric power stations | 5 |
| Management | 1 |
| Metallurgy | 3 |
| Oil / petroleum | 7 |
| Rail transport | 2 |
| Refrigeration | 3 |
| Space | 3 |
| Surgery | 1 |
| Technology | 45 |
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