短語詞組短語drainage connection system 排水渠道接駁系統(tǒng);排水接駁系統(tǒng)drainage composite system 排水復(fù)合系統(tǒng)urban drainage pipeline system 城市排水管道系統(tǒng)drainage control system 排水控制系統(tǒng)drainage BOP system 引流放噴系統(tǒng)Drainage Information System 排水信息系統(tǒng)drainage systemexcretory system 排泄系統(tǒng)drainage management system 排水設(shè)施管理系統(tǒng)drainage area system 流域系統(tǒng) 返回 drainage system