But the research in the effect of the volume ratio of acid phase to methane phase on a removal efficiency of organic materials are still deficient.
但酸相和甲烷相之间的容积比对有机物去除率的影响的研究尚很欠缺。
But the research in the effect of the volume ratio of acid phase to methane phase on a removal efficiency of organic materials are still deficient.
但酸相和甲烷相之间的容积比对有机物去除率的影响的研究尚很欠缺。
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