double-pipe heat exchanger造句

• Based on the analysis of existing heat transfer models , design methods and experiences of the ground loop heat exchangers , a computer - aided design software is proposed . it can be used to design the horizontal loop , vertical loop and double - pipe heat exchangers
  在总结了国内外埋管换热器设计经验的基础上，进行了埋管换热器计算机辅助设计程序开发，该程序可用于水平埋管、 u型埋管以及套管式换热器的设计计算。