老张居住的小区是个老区,每栋楼只有五到六层。楼层不高,可经常出现因乱丢杂物堵塞下水道的问题。前不久,住在一楼的老张家,因下水道堵塞,卫生间返水,屋中无人,地板和家具都泡在了脏水里。老张报修,物业抢修人员立即赶来疏通管道,从下水管道中掏出楼上住户扔下 Zhang living in the district is an old quarter, each floor only five to six floors. Floor is not high, often due to littering debris blocked sewer problems. Not long ago, the old house on the first floor, due to blockage of the sewer, the bathroom back to the water, no one in the house, the floors and furniture soaked in the dirty water. Old Zhang repair, property repair personnel immediately rushed to clear the pipeline, from the sewer pipe pulled upstairs households thrown