生物气包括沼气、堆填气体、胃肠气，由产生的地点来区分类别。

Biogas include marsh gas, landfill gas, digester gas. They distinguish by the producing location.

youdao

生物气包括沼气、堆填气体、胃肠气，由产生的地点来区分类别。

Biogas include marsh gas, landfill gas, digester gas. They distinguish by the producing location.

youdao