This article describes the Nanjing Institute' s throwing pipe surface water source heat pumps construction process and lays stress on analyzing the causes and solving measures of out-of -operation of the water source heat pump system when water temperature is below 6 ℃%介绍了抛管式地表水水源热泵的施工流程,分析了浅水源热泵系统在冬季水温低于6℃无法运行的原因及解决措施.
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