轮机工程专业毕业论文文献翻译中英文对照

ionandsettingofthepump.Thepumpcanbeoperatedthroughmanualcontrolorexternalcontrol.Ifthepumpisintendedonlytooperateinmanualmodeitwillnotbeprovidedwiththeoptionalterminalconnection"externalcontrol"。Whenthepumpisintendedtooperatevia"externalcontrol"and/or"floatswitch"theactualterminalconnectionsmustbeprovided.The"Floatswitch"optionprovidesinformationontheliquidlevelinthefeedchemicaltank,whichistransmittedtothepump.Thisoptionrequirestheinstallationofatwo-stagefloatswitchandconnectiontothe"floatswitch"terminal.Thepumpcan,furthermore,beequippedwithfaultindicatingrelaysforwarningoflowlevels.pleteinstruction.Ifthechemicaldosingpumpincludespartsorfeatures,whicharenotprovidedfortheactualdosingunit,thespecifiedinstructionsshouldbedisregarded.2.5Basicinformationforthepump2.5.1Strokelengthadjustmentknob