下水道系统英释中释nthe system by which waste material and used water are carried away in sewers and then treated to stop it being harmful
1 sewerage system,排水系统;污水工程系统
1 ...without access to any services such as water or sewerage.....不能享受任何如供水或污水处理的服务。
更新时间:2025-02-22 15:13:39