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| 空气混合 | |||
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| 空气混合如冷热空气混合 | |||
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air mixing : 26 phrases in 7 subjects |
| Automobiles | 10 |
| Metallurgy | 3 |
| Plastics | 2 |
| Racing and motorsport | 1 |
| Refrigeration | 1 |
| Space | 1 |
| Technology | 8 |
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