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| 冷却气流; 冷去卩通风 | |||
| 冷却通风 | |||
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cooling draught : 25 phrases in 6 subjects |
| Chemistry | 5 |
| Food industry | 3 |
| Metallurgy | 5 |
| Oil / petroleum | 2 |
| Refrigeration | 4 |
| Technology | 6 |
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