目前中水回用存在的主要问题为卫生学指标不达标，消毒效果不理想。

The main problem in reclaimed water reusing is hygienic guideline over standard, disinfection effect isn't good.

youdao

目前中水回用存在的主要问题为卫生学指标不达标，消毒效果不理想。

The main problem in reclaimed water reusing is hygienic guideline over standard, disinfection effect isn't good.

youdao