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Guide to Geothermal Heat Pumps - Department (地热泵指南部门).pdf

发布:2017-07-29约字共2页下载文档
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Guide to Geothermal Heat Pumps Geothermal heat pumps are among the most efficient and comfortable heating 6 and cooling technologies 4 4 3 3 3 available because they use 2 1 d n the earth’s natural heat to a
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