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Book Description paperback. Condition: New. Language:Chinese.Cities in Henan province of shallow geothermal energy Henan shallow geothermal energy development and utilization of the main problems of the current state of research objectives and tasks. contents and methods; overview of Henan Province. 18 provincial cities cities of shallow geothermal energy the formation of regional geological background; on the City of shallow geothermal energy features. including the conceptual model of the shallow geothermal field characteristics of s. Seller Inventory # N10157