constant volume pump  恒容<量>泵

controlled volume pump  可控制排量泵

low pressure high volume pump  低压力大排量泵

low volume pump  低容量泵

pump volume  泵量

pump barrel volume  泵筒容积

the volume rate of a vacuum pump  抽速

volume adjustable hydraulic pump  变量液压泵

volume delivery pump  容积式泵

a three-pump-pump  一控三泵控泵

sodium pump (=sodium-potassium pump =Na-K pump)  钠钾泵

differences between input traffic volume and output traffic volume  进出流量差异

INSTRUMENT OF FLOW VOLUME AND ACCUMULATIVE VOLUME  流量积算仪

ratio of gas-cap volume to oil zone volume  气顶体积-油带体积比

volume expression expressed with volume of interfa  界面体积表示的体积公式

volume in volume  有效组分在100毫升溶液中的毫升数

conversion for performance of model pump to actual pump  水力参数换算方法

double pump end pump  双泵端泵

Duty pump and spare pump  消防泵和备用泵