heater power

例句：

1. 1. The heater needsto be set at a higher temperature forbetter heating efficiency.
   加热器需要设置在更高的温度以获得更好的加热效率。
2. 2. The heateris rated at 5000watts, which is sufficient fora small apartment.
   加热器额定为5000瓦，对于一个小公寓来说足够了。
3. 3. The heater's power consumptionis measured in kilowatt-hoursper hour.
   加热器的电力消耗是以千瓦时每小时来衡量的。