下水処分
Meanings
1
Refers to the process or system of treating and disposing of sewage and wastewater.
Sewage disposal is not adequately carried out in this area.
The aging of sewage disposal facilities has become a problem.
Refers to the process or system of treating and disposing of sewage and wastewater.
Sewage disposal is not adequately carried out in this area.
The aging of sewage disposal facilities has become a problem.