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1·There is an inner boundary within the rotational flow field of hydrocyclone.

旋流器内的旋转流场中存在一内边界，其速度头为零；

2·The method is applicable for measuring vorticity of a strong rotational flow.

该方法适用于具有强旋转流动涡量的测量。

3·A new product, rotational flow-limiting valve installed in combined sewage intercepting chamber was introduced.

介绍了设置于合流制截流井中的一种新产品——旋流限流阀。

4·The conclusions given in this paper are valuable to the further improvement of the rotational flow sedimentati…

其结论对于优化旋流池的设计具有参考价值。

5·In view of the problem, the experiment utilized the method of changing the Angle of rotational flow brick and rotational flow vane.

针对这一问题，本试验采取了改变旋流砖和旋流叶片角度的方法。

6·The circumferential rotational flow and pair whirls at the exit of the inlet were also found, and subsequently, the causes were analyzed.

发现了进气道出口的旋流与对涡，并对其形成的原因做了初步分析。

7·In laser Doppler velocimeter application to rotational flow, the window effect will appear when measurement window rotates with the flow field.

在应用激光多普勒测速仪测量旋转流场时，如果测量窗口随着旋转流场一起转动，就会产生窗口效应问题。

8·Through combining rotational flow plate and silk net skimmer, the utility model can effectively prevent liquid droplets carrying phenomenon, thereby reducing loss of rhodium catalyst.

通过将旋流板和丝网除沫器组合在一起，本实用新型能有效地阻止液滴夹带现象，减少铑催化剂的损失。

9·By using waterpower rotational flow device which can classify or separate solid grain from liquid, a utility dielectric tank used for common EDM and powder mixed dielectric EDM is designed.

利用水力旋流器对固体颗粒的分级、分离功能，设计了一种既能用于常规电火花加工又能用于混粉电火花镜面加工的通用型储液箱。

10·Describe assumptions, physical meaning of terms and to utilize key relationships for compressible flow, speed of sound, isentropic and non-isentropic flows, and potential and rotational flows;

描述各种假设和各项物理意义； 应用可压缩流、音速、等熵和非等熵流动、势流和有旋流动中的重要关系；