再买一块地,随便长点野花野草什么的,每年定期割几茬,扔进沼气池。估计能产出你家一辈子用不完的沼气。而且不怕通胀
再买一块地,随便长点野花野草什么的,每年定期割几茬,扔进沼气池。估计能产出你家一辈子用不完的沼气。而且不怕通胀
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