The article analyses air source heat pump project effect in east Nanjing depot of Shanghai railway bureau and discusses the application prospects of air source heat pump in railway company.
文章分析了上海铁路局南京东车辆段空气源热泵系统项目所取得的实效，并论述空气源热泵系统在铁路企业中应用前景。
The implementation plan was described for wastewater (reclaimed water) source heat pump in Qiaodong Wastewater Treatment Plant project.
阐述了石家庄市桥东污水处理厂工程中污水（ 中水）源热泵系统的实施方案。
A low temperature geothermal water two grade utility with water source heat pump used in a retrofit project was introduced in this paper.
本文介绍了采用水源热泵的低温地热水两级利用采暖方案在改造工程中的应用。
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