人、畜粪便和各种农作物秸秆等投入沼气池内经密封发酵后的残余物统称为沼肥。
Biogas fertilizer is defined to be remnants after the fermentation of faeces of human and animals and various crop stalks within sealed digesters.
人、畜粪便和各种农作物秸秆等投入沼气池内经密封发酵后的残余物统称为沼肥。
Biogas fertilizer is defined to be remnants after the fermentation of faeces of human and animals and various crop stalks within sealed digesters.
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