权威例句
The influence of liquid volume in the accumulation tank on heat pump energy effects in a bivalent system95/05227 Operational experience with a bivalent heat pump system. Heat pumps for retrofitSimulation of Bivalent Heat Pump SystemsSimulation of Bivalent Heat Pump SystemsProcess for the operation of an absorption heat pump capable of bivalent operation and absorption heat pump for implementing this pr...Bivalent heating systemEfficiency of the heat pump cooperating with various heat sources in monovalent and bivalent systemsBivalent (hybrid) heat pump-oil heating systems for greenhousesBivalent heating systemApparatus for heat recovery by using a heat-pump system