The two impellers are arranged at the lower end of the axle sleeve to ensure moderate air-draft amount.
两片叶轮装在轴套下端，确保引风量适中。
This is because the tremendous heat produced from a nuclear blast causes an up-draft of air that forms the familiar mushroom cloud.
这是因为核爆产生的大量的热能会把空气往上吸入，形成令人熟知的蘑菇云状。
The influence of cross wind on the air flow field in a natural draft dry cooling tower is studied experimentally on the basis of similarity rules.
本文通过模型实验手段研究了横向风对自然通风干式冷却塔空气流场的影响问题。
And anyway, how could my nose know that a draft of air has been playing on the back of my neck?
再者说了，我的鼻子怎么可能知道空气在我脖子后面流动？
A working group of the World Health Organisation has proposed a set of draft new WHO air quality guidelines.
世界衞生组织的工作小组建议了一套新空气质素指引。
The anti-noise sponges inside the screen of the air filter and the muffler of the induced draft fan should be cleaned or changed regularly.
空气过滤器滤网、引风机消声器的消声海绵要定期清洗或更换。
In the present study, a down-draft gasifier is applied to treat municipal solid waste (MSW) in Guangzhou City through air gasification.
使用下吸式气化炉对广州城市生活垃圾进行了空气气化实验，并对燃气成分、焦油含量和灰渣重金属含量进行了分析。
你船空高是多少？
Numerical model for balanced draft air and gas system for circulating double fluidized bed is established and simulative study on the dynamic characteristics of air gas system is made.
建立了循环双流化床锅炉平衡通风风烟系统的数学模型，并对风烟系统的动态特性作了仿真研究。
The invention discloses a unilateral air draft process of kiln process chain grate preheating section for making oxidized pellet.
本发明公开了生产氧化球团矿链篦机――回转窑法链篦机预热段的单边抽风工艺。
New idea and new structure of air seal design for centrifugal induced draft fan is put forward through field inspection.
通过现场实地考察提出了排蒸汽离心引风机汽封设计的新思路、新结构。
A heat recovery system, utilizing the hot air from the draft fan at the first zone of a draft strand cooler for ignition, heat preservation and sintering is introduced.
本文介绍一个用抽风带冷机第一段的热风进行点火、保温和烧结的余热利用系统。
The results show that the apparent density of hard elastic polypropylene increases with a lower melt temperature, or a higher draft ratio, or a higher air blasting speed.
结果表明，熔体温度下降、所受拉伸比增加或冷却风速度升高均可使表观密度增加。
The results show that the apparent density of hard elastic polypropylene increases with a lower melt temperature, or a higher draft ratio, or a higher air blasting speed.
结果表明，熔体温度下降、所受拉伸比增加或冷却风速度升高均可使表观密度增加。
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