在室外空气温度低的地方，由于热泵冬季供热量不足，需设辅助加热器。
At outdoor air temperatures and low places, because of lack of heat in winter for heat, the need for auxiliary heater.
结果表明：太阳能辅助地源热泵供热的综合性能优于单纯地源热泵供热。
The results show that supplying heat with the ground-coupled heat pump by using the solar energy as assisted source is superior to the ground-coupled heat pump only in all-round performance.
在室外空气温度低的地方，由于热泵冬季供热量不足，需设辅助加热器。
Outdoor air temperature in the low places, due to lack of heat in winter for the heat required to set up auxiliary heater.
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