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| 通风道 | |||
| 通风管 | |||
| 风洞; 空气室 | |||
| 空气通道 | |||
| 风巷 | |||
| 气道; 通风道; 通气道 | |||
| 空气道; 气沟; 通风〔排气，空气〕道 | |||
| 气洞 | |||
| 空气导管 | |||
| 风管; 排气道; 通气槽; 风道 | |||
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| 通风道 | |||
| air channel: 11 phrases in 8 subjects |
| Air defense | 1 |
| Compressors | 1 |
| Electronics | 1 |
| Refrigeration | 1 |
| Shipbuilding | 1 |
| Technology | 4 |
| Textile industry | 1 |
| United States | 1 |
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