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| 吹扫气: 30 phrases in 13 subjects |
| Aviation | 1 |
| Chemistry | 1 |
| Compressors | 1 |
| Electronics | 4 |
| General | 1 |
| Metallurgy | 3 |
| Nuclear and fusion power | 1 |
| Oil / petroleum | 9 |
| Plastics | 1 |
| Steel production | 2 |
| Technology | 3 |
| Textile industry | 1 |
| Water resources | 2 |
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