资源 标记: Water Pumps
34 条目已找到 (正在显示 31 - 34) 前一个
-
-
- 1985-01-01 This paper examines water pumping systems that use solar radiation as a direct source of energy. We look primarily at small-scale rural applications in the Third World, where the potential benefits are greatest and the near-term economics seem most favorable. Two generic technical approaches for...
-