冶金厂矿输送废水的离心水泵常会在低效区工作。
The centrifugal pumps for transporting waste water in metal plants and mines often work at a low efficiency.
针对矿用离心水泵的设计特点，探讨了应用优化理论进行叶轮设计的方法。
In accordance with the features of mining centrifugal pump, the paper discusses a method of applying optimal theory for impeller design.
在单纯水力系统传输特性研究的基础上，又引入转动轴的力矩参数，进行离心水泵的传输特性实验研究。
An experimental study was conducted on the transmission characteristics of hydraulic system of centrifugal pumps with a torque parameter included.
分析了离心水泵填料密封装置存在的缺陷，可通过改造成机械密封形式来提高密封性能，以达到提高泵的效率。
The text describes the limitation of centrifugal pump filling seal equipment. Change the filling seal into the machine seal to improve seal capability and to increase efficiency.
分析了离心水泵填料密封装置存在的缺陷，可通过改造成机械密封形式来提高密封性能，以达到提高泵的效率。
The text describes the limitation of centrifugal pump filling seal equipment. Change the filling seal into the machine seal to improve seal capability and to increase efficiency.
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