Use a hot-water bottle or a heating pad set on low.
用一个热水瓶或一个设定为低温的加热垫。
If the pressure is too low, the central heating system will act up.
如果压力太低，集中供暖系统就会出毛病。
The heating, the heating water temperature low, the supply time is short;
供暖、供热水温度低、供应时间短；
Low consumption, high heating efficiency, big capacity, little location.
能耗低、效率高、量大、地面积小。
If the pressure is too low, the heating system will act up.
如果压力太低，供暖系统就会出毛病。
If the pressure is too low, the heating system will act up.
如果压力太低，供暖系统就会出毛病。
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