treatment of wastewater

	English	Abb.	学名	日本語	略称
1	treatment of wastewater			下水処理
2	Collaborative Project on Development of Municipal Wastewater Treatment			汚水処理施設連携整備事業
3	Day of Combined Household Wastewater Treatment Facility			浄化槽の日
4	dissemination status of wastewater treatment facilities			汚水処理人口普及状況