资源 标记: Fossil Fuels

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  1. A Design Manual for Water Wheels With Details for Applications to Pumping Water for Village Use and Driving Small Machinery

    1989-01-01 Supplying power to many remote locations in the world from central generators using customary distribution methods is either economically unfeasible or will be many years in coming. Power, where desirable, will therefore need to be generated locally. Various commercial machinery is marketed, but...
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