Many municipalities are now tackling this problem by separating their sewer and storm water systems.
Many municipalities are now tackling this problem by separating their sewer and storm water systems.
现在许多市政当局，正试著以分割污水、雨水排水系统来解决问题。
Many municipalities are now tackling this problem by separating their sewer and storm water systems.
现在许多市政当局，正试著以分割污水、雨水排水系统来解决问题。