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Bottom construction of ponds particularly solar ponds
Bottom construction of ponds particularly solar ponds
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机译:池塘的底部结构,特别是太阳能池
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摘要
A pond construction, especially useful for non-convective solar ponds, having a multi-layer bottom in order to minimize seepage of liquid through the pond bottom. Liquid which permeates the multi-layer construction is pumped back into the pond.
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