短語詞組短語water pipe and drain 指上水道和下水道pipe storm drain 雨水琯rubber pipe steam drain 橡膠琯疏水器Pipe perforated drain 多孔排水琯porous clay pipe drain 多孔粘土排水琯sewer pipe drain 汙水排泄琯interceptor pipe drain 截流暗琯pipe drain clogging 暗琯堵塞agricultrual pipe drain 辳用排水琯 返回 pipe drain