Water source is the prerequisite to the application of water source heat-pump air conditioning system.
水源是应用水源热泵空调系统的前提。
The invention discloses a double-effect ground source heat pump system.
本发明公开了一种双效的地源热泵系统。
The invention discloses a double-effect ground source heat pump system.
本发明公开了一种双效的地源热泵系统。
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