叶轮

For example, the expected aerodynamic efficiency of the single stage compressors that are currently produced in China is about 83%. But studies have demonstrated that the impellers' efficiency can reach up to more than 90%.

以单机离心压缩机为例，目前我国设计和生产的机器，其整机效率的期望值为83%左右，但研究表明叶轮的效率则可高达90%以上。

"In the 1980's, the 6100 Series of Heavy Duty Recessed Impeller Pumps was developed to serve aggressive in-plant applications such as sludge and grit."

1980年代，莫里斯公司开发了6100系列重型凹式叶轮泵，特别适用于具有很强破坏性流体介质如软泥和粗砂的泵吸处理。

The Morris line was primarily developed for the mining and dredge industries, but was expanded to include a complete line of pumps for waste water use. In the 1980's, the 6100 Series of Heavy Duty Recessed Impeller Pumps was developed to serve aggressive in-plant applications such as sludge and grit.

莫里斯产品系列一开始主要用于采矿业和挖掘业，但是现在已经扩展用于污水处理的完整系列的泵。1980年代，莫里斯公司开发了6100系列重型凹式叶轮泵，特别适用于具有很强破坏性流体介质如软泥和粗砂的泵吸处理。

The high strength-to-weight ratio of titanium is utilized to obtain the high tip speeds required for LH2 impellers and inducers.

高强度-重量比钛是利用以获取高尖端的速度所需的lh2叶轮和诱导。

It has two fan cases and two wind inlets and two outlets, and also two vanes on the shaft of the electric machine.

固连在电机的外壳上的风机壳体连同进风口和出风口各有两个，安装在电机的轴上的叶轮也有两个。

This paper has introduced the phenomenon of mutual interference occurred in cutting tool, tool shank, workpieces and so on when milling the 3-D impeller .

简要介绍了铣制三元叶轮时，出现刀具、刀柄、工件等相互干涉的现象，并对其产生的原因进行了详细分析，探讨了避免此种现象的有效方法。

The influences of nozzle structural parameters、standoff distance and jet pressure on rock erosion effect were researched by rock breaking experiment.

该文实验研究了叶轮中心孔直径、混合段长度、扩展腔扩展角、喷距和压力5 个主要参数对直旋混合射流破岩效果的影响规律。

They can be applied to the city water supply, the waterworks, the breweries, the chemical industry, the construction, the mining, the metallurgy, the paper making, the sugar producing and the canned food industry, particularly applicable to the sewage treatment works; meanwhile, some of the impellers are suitable for conveying the object which contains solids or long-fiber non-abrasion solid-liquid mixtures.

适用于城市供水、水厂、啤酒厂、化工、建筑、矿山、冶金、造纸、制糖、罐头食品工业，特别适用于污水处理工程；同时部分叶轮适合输送含固体物或长纤维的非磨蚀固液混合物。

The low-blast and medium-speed centrifuge fan, which mostly adopted in the corn combine, has bad homogeneity on the direction of vane width.

目前在稻麦联合收获机上大多采用的是低压中速离心式风机，其气流沿叶轮宽度方向分布的均匀性比较差。

Based on the parametric equations of blade surfaces and hub surface, and selected form specification of the ball end mill, we use MATLAB to calculate the coordinates of tool paths and tool-axis orientation.

本文系以叶轮叶片面及轮毂面的曲面参数方程式资料为基础，选定刀具形状规格后，应用MATLAB程式来计算刀具的刀尖点座标及刀轴方向。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。