短語詞組短語water pipe and drain 指上水道和下水道pipe storm drain 雨水管rubber pipe steam drain 橡膠管疏水器Pipe perforated drain 多孔排水管porous clay pipe drain 多孔粘土排水管sewer pipe drain 污水排泄管interceptor pipe drain 截流暗管pipe drain clogging 暗管堵塞agricultrual pipe drain 農(nóng)用排水管 返回 pipe drain