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海水淡化/蒸发
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02:21, 24 October 2017
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成本
'''太阳能蒸馏器成本'''
*成本可能相当高——每平方米50至70英镑(70至100美元)之间。<br>
*
在阿富汗,一个本地生产的蒸馏器价格仍高达65美元。
*
成本与产出成正比,随着其他处理方法的出现,经济规模并没有扩大。
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