Dry steam, the oldest geothermal technology, takes steam out of fractures in the ground and USES it to directly drive a turbine.

干蒸汽发电是最古老的地热利用技术，从地面断层开采出蒸汽并直接用于驱动汽轮机。

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Ditkof said, "Very shallow magma chambers mean there is a very shallow geothermal heat source that could be tapped, " for example to generate steam to power turbines in electrical plants, she said.

迪特科夫说，极浅的岩浆库意味着有极浅的地热资源可供开发，它们可产生蒸汽来驱动发电厂的涡轮。 “如果能够加以利用，地热潜能会让人惊讶不已。”

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The Basel project targeted a particularly sensitive seismic area, and drilled in the middle of a city because of plans to divert steam for heating buildings, another use of geothermal energy.

巴塞尔项目在一个非常敏感的多地震区域施工，而且为了利用地热为建筑供暖，该项目在市中心地区进行钻探。

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Geothermal power plants turn hot water into steam or vapor to run a turbine and generate electricity, after which the water is injected back into the underground geothermal reservoir.

FORBES: Scaling Geothermal in Central America

As you drive through the country, you are likely to notice steam leaking from crevices or spewing ahead on the horizon -- evidence of geothermal vents and hot springs.

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