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1·Pump efficiency was increased by 6%.

其泵组效率比原泵提高6%。

2·Vortex pump efficiency of less than 40%.

旋涡泵的效率一般不超过40%。

3·Gas-cut mud decreases the mud pump efficiency.

气侵泥浆降低泥浆泵的效率。

4·The pump efficiency will be improved accordingly.

该泵的效率将得到改善相应。

5·The electric consumption is based on an overall pump efficiency of 40 % (Hydraulic plus Electric).

耗电量以40%的总泵效率（液压泵加电动泵）为基础。

6·Immersible degrees in oil Wells with low pump efficiency were adjusted by using the relation curves.

利用该关系图对泵效低下的油井沉没度进行调整，取得了较好的效果。

7·Downhole gas separator is designed to reduce impacts of gas on oil pump and improve pump efficiency.

为了减少气体对泵的影响，提高抽油泵泵效，设计了井下复合式气锚。

8·It has put up high pump efficiency and high system effectiveness sufficiently, shown good working performance.

在现场应用中充分表现出了泵效高、系统效率高的特点，显示了良好的工作性能。

9·The computer can manipulate operating pump mode according rate of flow, pressure, electricity or pump efficiency.

计算机可按流量、压力、电流和泵效等点动控制泵的工况。

10·It is proved with the example that the new method works well for water pump efficiency characteristic curve fitting.

实例计算表明，采用该方法可以较好地拟合水泵效率特性曲线。