沼气发酵系统是复合农业生态系统中物质循环和能量转化的枢纽。

Biogas system is the pivot in material recycling and energy transformation of a complex agro-ecosystem.

youdao

沼气发酵系统是复合农业生态系统中物质循环和能量转化的枢纽。

Biogas system is the pivot in material recycling and energy transformation of a complex agro-ecosystem.

youdao