 |
| |||
| 通气管 | |||
| 变速器通气阀口 | |||
| 排气管 | |||
| 排气口; 出气口 | |||
| 通风管 | |||
| 排风口 | |||
| 气孔 | |||
| 通气孔; 通气孑; 排气道 | |||
| 排气孔; 放气口 | |||
| 通气道; 出气孔; 空气出口 | |||
| 通风孔 | |||
| 通气口; 通风口; 出风口; 气眼; 换气孔; 换气; 透气口; 排气管口 | |||
| 通气管孔 | |||
| |||
| 通气〔排气，放气，通风〕口〔的〕 | |||
| 通风口; 排气口 | |||
| air vent: 60 phrases in 10 subjects |
| Architecture | 1 |
| Automobiles | 12 |
| Aviation | 2 |
| Electronics | 8 |
| Hydroelectric power stations | 4 |
| Nautical | 1 |
| Refrigeration | 2 |
| Shipbuilding | 3 |
| Solar power | 1 |
| Technology | 26 |