water pump efficiency的意思|示意

A data study of the efficiency of pipeline system used for reciprocating pump water flooding in oil field was done through experiment.

概述了用实验方法对油田注水管网系统中的管网进行现场数据测试和模拟流程数据测试。

Ground water heat pump; Energy-efficiency; Cost-effective; Payback period.

地下水源热泵；节能性；经济性；回收期。

The phase-change thermal storage type water tank of the heat pump water heater has the advantages of high heat transfer efficiency and large thermal storage density.

本发明的相变储热式热泵热水器水箱具有传热效率高、储热密度大的优点。

Also the manufacturing precision of water hydraulic gear pump, especially gear surface and side flank, is required in order to improve its volume efficiency.

需要进一步提高水压齿轮泵加工精度，特别是侧板以及齿轮端面的平面度、表面粗糙度以提高水压齿轮泵的性能。

Water source heat pump (WSHP) replaces cooling towers with underground constant temperature water, and has the characteristics of high efficiency energy-saving.

水源热泵用地下恒温水源代替冷却塔，具有高效节能的特性。

In order to improve the water power efficiency of pump, casing applies streamline design, the circulation area is increased.

为了提高泵的水力效率，泵壳体采用流线型设计，同时加大了壳体的通流面积。