domestic water heating system造句

• Installation and service of solar domestic water heating systems for one - and two - family dwellings
  一家和两家住房用太阳能家用热水设备的安装和维护
• Technical retrofit for the domestic water heating system in residential quater of one thermal power plant has been carried out by adopting the boosting and heating technology based on supersonic steam - liquid two - phase flow , to replace the original water pump and tube type heat exchanger
  摘要采用超音速汽液两相流升压加热技术对某热电厂福利区生活热水系统进行了技术改造，以取代原有的水泵及管式换热器。