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瓦 时 : 139 phrases in 28 subjects |
| Agriculture | 2 |
| Animal husbandry | 1 |
| Automobiles | 6 |
| Aviation | 5 |
| Business | 5 |
| Chemistry | 3 |
| China | 1 |
| Construction | 2 |
| Drilling | 1 |
| Earth sciences | 11 |
| Electric machinery | 5 |
| Electricity | 1 |
| Electronics | 18 |
| Engineering geology | 1 |
| General | 13 |
| Geophysics | 5 |
| Hydroelectric power stations | 6 |
| Information technology | 1 |
| Management | 1 |
| Metallurgy | 3 |
| Nuclear physics | 1 |
| Oil / petroleum | 5 |
| Plastics | 1 |
| Shipbuilding | 3 |
| Space | 2 |
| Technology | 28 |
| Telecommunications | 2 |
| Wind Energy | 6 |
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