 |
| |||
| 通风吸人，引流管 | |||
| 导流筒 | |||
| 引水管 | |||
| 吸水管 | |||
| 泄管 | |||
| 尾水管; 通风管; 吸出管 | |||
| 引流管 | |||
| 进气管; 吸气管 | |||
| 通流管 | |||
| 汲取管; 吸入管; 牵引横梁; 牵引横柱; 处于穿堂风状态; 排水管; 排气管; 吸人管; 通气管 | |||
| |||
| 吸人〔出〕管; 引流管; 通风管; 尾水管 | |||
| 换气管 | |||
| draft tube: 123 phrases in 10 subjects |
| Architecture | 2 |
| Chemistry | 2 |
| Earth sciences | 3 |
| Ecology | 2 |
| Electronics | 15 |
| Hydroelectric power stations | 44 |
| Refrigeration | 1 |
| Technology | 49 |
| Textile industry | 1 |
| Water resources | 4 |