论文部分内容阅读
市场前景目前,中国的人均水资源占有量是2170立方米,不足世界平均水平的1/3,被联合国列为世界上最缺水的13个国家之
Market Prospects At present, China has a per capita water resource of 2170 cubic meters, less than one-third of the world average and ranked by the United Nations as the world’s thriving 13 countries