It is a new type of heating equipment, from the electromagnetic heat pump heating technology.
它是一种新型的采暖设备，来自于电磁热泵采暖技术。
Underground-water source heat pump is one type of the Ground Source Heat Pump.
地下水是应用地下水水源热泵的前提。
Underground-water source heat pump is one type of the Ground Source Heat Pump.
地下水是应用地下水水源热泵的前提。
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