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.

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汉堡王说自己的孩子饮食广告只有热量不足560卡的食品组合——这比脂肪中热量低30%。

And Burger King says its Kids Meal ads only feature combinations that have no more than 560 calories - and less than 30 percent of those calories from fat.

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因此，即使在温度很低的情况下，燃气机热泵仍能满足供热要求，不会出现供热量不足的情况。

Therefore, even in very low temperature, the gas engine heat pump can meet the heating requirements will not be for lack of heat.

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