down-flow
| flue
| down flow | |
| ecol. | 下向流; 下降流 |
| skydive. | 下沉气流; 向下气流 |
| flue | |
| archit. | 烟 道; 暖 气管; 毛屑 |
| exhib. | 暖气管 |
| met. | 煤气道; 空气道; 火道 |
| oil | 通气道 |
| tech. | 炉胆; 气体管 |
| |||
| 下向流; 下降流 | |||
| 下沉气流; 向下气流 | |||
| |||
| 下流; 向下流动 | |||
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down-flow : 44 phrases in 15 subjects |