air funnel

英 [eə(r) ˈfʌnl]

美 [er ˈfʌnl]

通风筒

Study on the Hydraulic Blasting of Upper Air Thin Wall Reinforced Concrete Funnel
高空薄壁钢筋混凝土漏斗水压爆破技术研究
The great speed and force of tornado winds can pick up things as heavy as automobiles and hurl them hundreds of yards. ( 4) The updraft causes a very low air pressure within the funnel.
龙卷风的速度快，力量大，能卷起像汽车那样的重物，把它们抛到几百码以外。上升的气流，在龙卷风的漏斗中引起低气压。
Push as much of the sensing hose as possible into the air gap drain funnel to prevent over spray.
将尽可能多的感应软管推到气隙排放漏斗内，以防止从上面喷溅。
Applying the air impact molding to the molding using complicated pattern with wider top surface, deep concave and bigger cod, there always exists a funnel blockade phenomenon and a lower sand mold compactibility at the entrance to the concave area.
气冲造型法用于顶面宽大且深凹比较大或带有较大砂胎的复杂模样造型时，会在深凹区入口处产生漏斗堵塞现象，此外紧实度很低。
Having analyzed different ways for prevention of smoke from diffusion and its control in air funnel, a model was designed for experimentation.
通过防烟气扩散与控制烟风洞工作方式的分析对实验的立体模型进行设计；