From the performance perspective, the type of impeller and the general efficiency closed impeller or less the same, but the type of impeller pump head curve dropped more.
从性能上讲，该型式叶轮效率高和普通闭式叶轮相差不大，但用该型式叶轮泵扬程曲线较为陡降。
Factors affecting constant pressure difference control method and advantages and disadvantages of the control plan are analyzed theoretically through pipe system head curve and pump performance curve.
根据管道水力特性曲线与水泵的性能曲线，运用理论分析的方法，对影响末端定压差控制方式的因素和该控制方案的利弊进行了分析。
The work theory of the Roto-Jet pump is very specific and it has very simple construction and smooth performance curve and cheap maintain.
旋喷泵工作原理比较特殊，结构简单，性能曲线稳定，维护方便。
Found with the selected metering pump performance curve of the corresponding.
找到与所选用的计量泵相应的性能曲线图。
Running conditions of parallel-connected variable and constant speed pump are discussed using pump performance curve, and the correct switch steps are pointed out.
利用特性曲线对变速泵与定速泵并联运行工况进行了讨论，指出其正确切换步骤。
In the existing 300mw steam turbine condenser performance curve, the cavitation in water ring vacuum pump is not taken account, so the curve can't exactly reflect the operation state of condenser.
现有的300MW机组凝汽器特性曲线没有考虑到水环真空泵汽蚀特性对凝汽器运行特性的影响，不能准确反映凝汽器的运行状态。
A smooth power curve, not easy to have a super power, but this type of impeller cavitation performance than ordinary closed impeller, especially suitable for use in the pump pressure on imports.
功率曲线比较平稳，不易产生超功率的问题，但该型叶轮的汽蚀性能不如普通闭式叶轮，尤其适宜用在有压进口的泵上。
The relationship between such changes in the law integrated into a number of curves drawn to indicate that this is the pump performance curve.
把这种相互关系的变化规律，综合绘制成几条曲线来表示，这就是水泵性能曲线。
And with the appearing of MATLAB, it makes the drawing of the centrifugal water pump performance curve more fast, exact and audio-visual...
MATLAB的出现又使离心式水泵的性能曲线绘制达到了更加快速、准确、直观。
And with the appearing of MATLAB, it makes the drawing of the centrifugal water pump performance curve more fast, exact and audio-visual...
MATLAB的出现又使离心式水泵的性能曲线绘制达到了更加快速、准确、直观。
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