Geothermal power. Either steam under pressure emerges from the ground and drives a turbine or hot water evaporates a low boiling liquid to create vapour to drive a turbine.

• 地热发电。来自地面的加压蒸汽驱动涡轮机，或者热水蒸发低沸点液体创造蒸汽驱动涡轮机。