In 1991, desalting plants in a approximately 120 countries worldwide had the capacity to produce 4.1 billion gallons a day.
In 1991, desalting plants in a approximately 120 countries worldwide had the capacity to produce 4.1 billion gallons a day.
1991年，去盐工厂在全世界差不多120个国家中每日有能力生产4.1十亿加仑。