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- low specific speed punching 冲压焊接
- In this paper, the structure, principle and performance of a low specific speed roto-jet pump are introduced. 介绍了一种极低比转数旋喷泵的结构、工作原理及性能特点。
- There is no special theory and design method to the low specific speed centrifugal pump.It adopts the waterpower design method of common centrifugal pump. 低比转速离心泵水力设计由于没有专门的理论和设计方法，只能采用普通离心泵的水力设计方法，从而导致圆盘摩擦损失大，泵的效率低。
- low specific speed centrifugal pump 低比转速离心泵
- Experimental research on low specific speed roto-jet pump 低比转数旋喷泵的试验研究
- Design and Experiment of a Mixed Flow Pump with Medium or Low Specific Speed 中低比转数混流泵设计与试验
- Multiple Objective Function Optimal Design of Low Specific Speed Pump Impeller 低比转速离心泵叶轮多目标优化设计
- A New Program for non Overloaded Low Specific Speed Centrifugal Impeller 低比转速叶轮无过载设计新方法
- Development of High Efficiency Volute Pump of Very Low Specific Speed 低比转数高效率蜗壳泵的开发
- Successful practice of the overload free design method in the multilevel centrifugal pump with the low specific speed 无过载设计方法在低比转数多级离心泵上的成功实践
- An Application Research on Increasing the Performance of the Low Specific Speed and High Head Pumps 提高低比转数高扬程泵性能的应用研究
- Flow Mechanism inside the Impeller of a Centrifugal Pump with Low Specific Speed and Design of the Impeller 低比转数离心泵叶轮内的流动机理和叶轮设计
- Analysis of Comprehensive Influence of Geometrical Parameters on Low Specific speed Pump head by using grey theory 低比转速泵几何参数对扬程综合影响的灰色理论分析
- Hydraulic design method of hyper-normal low specific speed axial-flow fixed-blade runner and its CAD system 超常规低比速轴流定桨式转轮设计及其CAD系统
- Internal flow characteristics measurement in low specific speed centrifugal impeller 低比转数离心泵叶轮内部流动的测量
- The ball slot is made by high speed punching machine and precision mould with 0.02mm tolerance.The ball slot synchronizes with inner runner while sliding. 珠槽采用高速冲床与精密模具生产，公差在0.;02mm，滑轨在滑动的时珠槽与内轨同步。
- Numerical computation of inner flow passing through low specific speed compound impeller of centrifugal 低比转速离心泵复合叶轮内部流动的数值计算
- Optimal Design of Middle and Low Specific Speed Two- phase Flow Trash Pump Impeller Geometric Parameters 中低比转速两相流杂质泵叶轮优化
- RF - 2 volatilizing punching oil has excellent volatility and lubricity, which can be applied to the cooling and lubrication of high speed punch of aluminum fin - stock of air - conditioner. 2挥发性冲压油用于空调机铝翅片高速冲压加工的冷却和润滑,具有优异的挥发性和润滑性。
- Experimental and Theoretical Studies on the Flow through the Cascade for a Francis Turbine with Low Specific Speed 低比转速混流式水轮机导水叶栅中流动的实验研究
