Henting ways: power heated, oil heated, fire heatedvapourheated.
加热方式有：电加热、导热油加热、明火加热、蒸气加热。
2
Some employ distillation, which needs about 10 kilowatt-hours (kWh) of energy per cubic metre of seawater processed. Brine is heated, and the resulting water vapour is condensed.