比转数 meaning in Chinese
specific speed
Examples
- Experimental research on low specific speed roto - jet pump
低比转数旋喷泵的试验研究 - The increasing - flow design method is presented on superlow - specific - speed high - speed centrifugal pump in this paper
阐述了超低比转数高速复合叶轮离心泵的加大流量设计方法，并给出了两个设计实例。 - Super - low specific - speed centrifugal pump is a part of centrifugal pumps , which is widely used in aerospace and petrochemical industries
极低比转数离心泵（ ns < 30 ）是离心泵的一部分，其在宇航事业和石化工业等领域应用广泛。 - According to the distribution of pressure and velocity on the 5 types of impeller , it analyses and discribes the feature of internal flow in super - low specific - speed pump impeller
通过对五种叶轮内流动的模拟比较，描述了极低比转数叶轮内流动的特点。 - A new type of very low specific speed pump ? roto - jet pump is presented for low flowrate and high head transportation , which is introduced at the end of the thesis
论文最后主要研究了一种隶属于极低比转数离心泵范畴的新型泵? ?旋喷泵，它是一种新型的石油化工用泵，具有流量小、扬程高、流量扬程曲线平缓的特点。