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| 辅助补给空气 | |||
| 辅助〔二次，补给〕空气 | |||
| 辅助空气; 二次空气 | |||
| 二次风; 补给空气; 补充空气 | |||
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auxiliary air : 50 phrases in 9 subjects |
| Automobiles | 13 |
| Aviation | 12 |
| General | 8 |
| Nautical | 2 |
| Oil / petroleum | 1 |
| Refrigeration | 1 |
| Shipbuilding | 1 |
| Space | 1 |
| Technology | 11 |
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