мгновенный расход(The rate by which water is discharged from an outlet. For example, the standard flow rate of a showerhead is 2.5 gallons per minute. Found on encyclo.co.ukAlexander Demidov)
эксплуатационный расход(if you want to troubleshoot your pump or verify if it is producing the amount of pressure energy that the manufacturer says it will at your operating flow rate. Care should be used in selecting and using the flow rate measurement device such that it does not alter the normal operating flow rate of the analyzer. Alexander Demidov)
