 |
| |||
| air manifold; air trunk | |||
| air conduit; air duct; piping for air | |||
| air-flue | |||
| air passage | |||
| air funnel; airline; air piping; air line | |||
| |||
| airduct | |||
| |||
| air piping | |||
| |||
| air-conditioning duct | |||
| |||
| air duct | |||
| 空气 管道: 44 phrases in 11 subjects |
| Architecture | 1 |
| Automobiles | 4 |
| Aviation | 1 |
| Chemistry | 1 |
| Electric machinery | 1 |
| Electronics | 2 |
| Engineering geology | 1 |
| Metallurgy | 1 |
| Racing and motorsport | 1 |
| Refrigeration | 2 |
| Technology | 29 |
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