Description: Volume of the unit mass of a substance that is needed for the lifting process; Name: Volume of stroke
Description: Volume of one unit of mass measure of a substance which is required for a single stroke; Name: Stroke volume
Description: pump h(q) curve where the maximum head (peak point) and shut-off head are not coincidental, or the total head does not decline continuously as the rate of flow increases; Name: stable pump H(Q) curve