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| 冲洗空气; 冲洗的空气 | |||
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flushing air : 17 phrases in 7 subjects |
| Aviation | 2 |
| Drilling | 2 |
| Electronics | 2 |
| Engineering geology | 4 |
| Oil / petroleum | 1 |
| Space | 1 |
| Technology | 5 |
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