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| 通气风扇，引风机，通风机 | |||
| 通风风扇; 通风扇; 抽风扇 | |||
| 引风机; 风机 | |||
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| 引风机 | |||
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draught fan : 26 phrases in 7 subjects |
| Architecture | 1 |
| Electronics | 1 |
| Engineering geology | 1 |
| Metallurgy | 5 |
| Pulp and paper industry | 1 |
| Refrigeration | 3 |
| Technology | 14 |
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