This heat-transfer medium (Freon) absorbs heat from a low grade source (that is environment: air, river, drain, etc), steams off and goes into air pump 14.
传热介质(氟利昂)吸收热量从低品位的来源(即环境：空气，河流，下水道，等等)，以及蒸汽和空气进入泵14。
This heat-transfer medium (Freon) absorbs heat from a low grade source (that is environment: air, river, drain, etc), steams off and goes into air pump 14.
传热介质(氟利昂)吸收热量从低品位的来源(即环境：空气，河流，下水道，等等)，以及蒸汽和空气进入泵14。
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