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air renewal
| duct
| air renewal | |
| auto. | 换空气 |
| el. | 通风 |
| duct | |
| hydroel.st. | 通道 |
| met. | 管系; 管线; 通路输送管 |
| sport. med. | 管道 |
| |||
| 客厢换空气 | |||
| 通风 | |||
| 空气更新; 换气 | |||
|
air renewal duct : 8 phrases in 4 subjects |
| Electronics | 3 |
| Hydroelectric power stations | 1 |
| Refrigeration | 3 |
| Technology | 1 |
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