This program suited for centrifugal pump design and manufacture phase, the method rarely used in the production of the site.
这一方案适于在离心泵的设计制造阶段，该方法在生产现场很少采用。
2
Analyse principle of operation, technology feature of single-phase alternating current induced liquid metal electromagnetic pump wave soldering machine.
重点分析单相交流感应式液态金属电磁泵波峰焊接设备技术的工作原理、技术特征；
3
Variable Angle spiral method was used in a trial way in the design of the warped blader of solid - liquid two phase slurry pump.