DEFINITIONANDPURPOSETYPES,PUMPS,泵定义及用途,泵,PURPOSE,Thepurposeofapumpistofacilitatethemovementofliquidsandliquidmixturesfromonelocationtoanother.Thismovementmaybefromonecontainedsystemtoanother,fromacontainedtoanopensystem,anopensystemtoacontainedsystem,oranopensystemtoanother.Differentpumpsaccomplishthismovementindifferentmanners.Thefirstpumpswereinventedover2000yearsago,andtheirdesignhasbeenconstantlyimprovedtowhatwehaveatthepresenttime.Acentrifugalpump,oneofthemostcommontypesofpump,wasinventedi
