空气源热泵热水系统  air-source heat pump hot water system; Air-source Heat Pump Water Heater System

两级冷凝热泵热水系统  Two-stage condensing heat pump hot water system

热泵热水系统  heat pump hot water system

热泵与热泵热水系统  Heat pump and its water heat system

三热源热泵热水系统  three-heat-source hot water system TSHS

太阳能热泵热水系统  SAHPWH system; The System of Solar Assisted Heat Pump

传统热泵系统  Traditional heat pump system

地表水热泵系统  surface water heat pump system

地热热泵系统  groundsource heat pump systems; geothermal heat pump system

次中压中温系统  middle pressure and temperature system

太阳能集中供热水系统  Solar Central Hot-water Supply System

污水中水水源  wastewater reclaimed water source

中水系统  water reuse system; recycled water system; Middle-water system

中温水热合成  Hydrothermal synthesis

中央热水系统  Central hot water system

低温热系统  low temperature heat system

低温水系统  the low temperature water system

高温热水泵  high temperature hot water pump

减温水系统  desuperheating water system