For KFR type air-conditioner, if refrigeration normal, not heating, its fault mainly in four electromagnetic valve or its control circuit.
对于KFR型空调器,若制冷正常,而不制热,其故障主要发生在四通电磁阀或其控制电路。
The camper did not have any heating equipment to warm the space while family members slept.
VOA: special.2010.02.02
Now to make that happen, it's not adiabatic, right. If I wanted to do that, I'd need a heating element or something to cool, so I could make that temperature change happen, right.
要实现这点,它就不会是绝热的,对吧,如果我想做到这点,我需要一个加热元件或什么制冷的东西,这样我才能让温度变化。
Some seeds will not be killed during the natural heating process in composting.
VOA: special.2009.06.23
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