As a green environmental protection energy terrestrial heat has been generally attached all over the world. It also has become a target that each country competes for the research and development.
地热作为一种绿色环保能源，在世界各地普遍受到高度重视，成为各国竞相研究、开发的对象。
As a green environmental protection energy terrestrial heat has been generally attached all over the world. It also has become a target that each country competes for the research and development.
地热作为一种绿色环保能源，在世界各地普遍受到高度重视，成为各国竞相研究、开发的对象。
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