微生物处理是一种费用低，效果好，无二次污染且操作简单的处理方法。

Microorganism treatment is a method of low cost, high efficiency and pollution free.

youdao

微生物处理是一种费用低，效果好，无二次污染且操作简单的处理方法。

Microorganism treatment is a method of low cost, high efficiency and pollution free.

youdao