污水源热泵是高效的环保节能系统。
Sewage source heat pump systems are environmental protection, high efficiency and energy saving.
水源是应用水源热泵空调系统的前提。
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。
Water source is the prerequisite to the application of water source heat-pump air conditioning system.
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