agricultural sewage造句

• Large amount of domestic , industrial and agricultural sewage is discharged into the river system without proper treatment
  大量未经适当处理的住宅工业和农业废水被倾进河中。
• During the past two decades , the freshwater ecosystems and environment in the pearl river delta have been heavily degraded by the combined pressures of rapid industrial development , rapid population and urban growth , natural habitat loss , and the discharge of large amounts of domestic , industrial and agricultural sewage into the river system without proper treatment
  然而，珠三角地区的发展往往牺牲淡水资源环境。近二十年，珠三角地区出现急速的工业化和都市化人口迅速增长生境流失，以及大量排放未经处理的住宅工业及农业污水等问题，严重破坏区内的淡水生态及环境。