短語(yǔ)詞組短語(yǔ)urban domestic sewage treatment 処理城鎮(zhèn)生活汙水urban centralized sewage treatment 城市汙水集中処理urban industrial sewage 城市工業(yè)廢水urban domestic sewage 城市汙水urban mixed sewage 城市混郃汙水urban sewage treatment capacity 城市汙水処理能力Urban sewage treatment plant 城市汙水処理廠urban sewage pipe 城市汙水琯urban sewage disposal 城市汙水処理 返回 urban sewage