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| 开 圈: 79 phrases in 19 subjects |
| Animal husbandry | 1 |
| Architecture | 1 |
| Automobiles | 18 |
| Aviation | 2 |
| Drilling | 1 |
| Electric machinery | 4 |
| Electronics | 6 |
| Fishery fishing industry | 1 |
| General | 4 |
| Hydroelectric power stations | 1 |
| Metallurgy | 1 |
| Nautical | 1 |
| Oil / petroleum | 1 |
| Port facilities | 1 |
| Space | 1 |
| Sports | 2 |
| Technology | 23 |
| Textile industry | 9 |
| Transport | 1 |
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