The process of anaerobic digestion consists of three steps. 厭氧消化包括三個(gè)步驟。
Biogas generated from the sludge digestion in wastewater treatment plants is a potential clean energy source, which can be recycled in several ways. 摘要城市污水處理廠(chǎng)中污泥厭氧消化產(chǎn)生的沼氣是一種很有潛力的清潔能源。
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