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旧 May 24th, 2020, 20:00     #16
CaCO3
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默认

在山上修一空水库,再买很多泵,相当于巨型机械充电器

大雨时用泵把水抽到山上的水库

天晴时在让水库的水冲下发电

雨天不咋开空调,用电少,正好把电用来泵水

天晴用电多,水库发电正好补偿空调用电

1000亿够用了,不定还能赚钱
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