Waste derived from human activitirs, such as rapeseed placentiform from the extraction of rape oil;fruit faeces from the extraction of fruit juice;chicken excrement from the scall farming of chickens.
摘要废弃是人类为
身需要的产
,如菜籽饼来
菜籽取
,果渣来
水果取汁,鸡粪来
规模化养鸡。