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| 空气源: 46 phrases in 13 subjects |
| Automobiles | 4 |
| Aviation | 2 |
| Earth sciences | 2 |
| Ecology | 3 |
| Electronics | 2 |
| Environment | 3 |
| Hydroelectric power stations | 1 |
| Nautical | 1 |
| Oil / petroleum | 3 |
| Refrigeration | 3 |
| Technology | 18 |
| United Nations | 1 |
| Wind Energy | 3 |
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