secondary sewage treatment works二级污水处理厂;次级污水处理厂
underground sewage treatment works地下污水处理厂
Shatin Sewage Treatment Works沙田污水处理厂
Stanley Sewage Treatment Works赤柱污水处理厂
Shekou Sewage Treatment Works蛇口污水处理厂
city sewage treatment works城市污水处理厂
biological sewage treatment works生物污水处理厂
village sewage disposal works乡村污水处置厂
Fanling Sewage Treatment Works粉岭污水处理厂