| 1. | Dcv downdraft constant vacuum carburettor
下吸式等真空化油器 |
| 2. | With stromberg downdraft carburetor
强力下吸式化油器 |
| 3. | With stromberg downdraft carburetor
强力下吸式化油器 |
| 4. | Severe thunderstorms are associated with intense convection , often resulting in violent downdraft and heavy rain
强烈的雷暴与剧烈对流有关，经常会带来猛烈的下沉气流和大雨。 |
| 5. | Severe thunderstorms are associated with intense convection , often resulting in violent downdraft and heavy rain
强烈的雷暴与剧烈对流有关，经常会带来猛烈的下沉气流和大雨。 |
| 6. | Ventilation : positive downdraft exhaust ventilation should be provided to maintain vapor concentration below tlv
通风：为了使气体聚集程度维持在阀极限值之下，应提供通畅的向下棋流排气通风设施。 |
| 7. | When rain - cooled downdrafts hit warm air near the ground , a low hanging revolving cloud forms beneath the cell ， a tornado is imminent
当雨冷凝形成的下降气流遭遇地表暖气流时- - - - “超级风胞”下方一股低空旋转的云团便已形成，龙卷风就要让我们大难临头了。 |
| 8. | The horizontal width of the condensate falling from the convective cells was much less than the width of the observed mesoscale downdraft ( 60 km compared to 150 km )
从对流单体降落的冷凝物的水平宽度比观测到的做尺度下沉气流的宽度小得多（前者60公里而后者150公里） 。 |
| 9. | " we shot the scene many times , and at the end of each take , the helicopter would circle round . the downdraft nailed me flat onto the grass , and a couple of times i bit the dust
“那场戏拍摄了许多次，每次结束时，直升机产生的强大的气流都让我摔倒在草地上，我经常是满嘴含沙。 |
| 10. | An aircraft flying through a microburst may first encounter an increasing headwind and lift , then a downdraft from above the aircraft , followed by an increasinig tailwind and sink
飞越微下击暴流的飞机可能首先会因逆风增强而浮力增加，随即遇到上空的下沉气流，继而因顺风增强而沉降。 |
