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| 下向〔降〕通风; 下鼓风; 炉底〔炉排下〕送风; 下降〔下沉，向下，下曳〕气流; 烟囱等倒灌风; 下吸; 回流; 空气陷坑 | |||
| 竖流; 下行流动 | |||
| 气潭 | |||
| 往下漂流; 水位下降 | |||
| 抽风; 【团】 抽风; 下向抽风 | |||
| 下部抽风; 下部吹出; 下降气流 | |||
| 下向通风 | |||
| 下跌 | |||
| 倒灌风; 向下气流 | |||
| 下曳气流 | |||
| 下沉气流; 下吸式 | |||
| downdraft: 25 phrases in 8 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Mechanic engineering | 1 |
| Metallurgy | 16 |
| Refrigeration | 2 |
| Space | 1 |
| Technology | 2 |
| Wind Energy | 1 |