节水，从没有像今天这样凸现在人们面前。国家经贸委资源节约与综合利用司提出：工业节水是个关键。原因有三：一是工业是我国城市用水大户。目前我国工业取水量占全国取水量的20％，不少城市高达50％，工业节水进展情况直接关系到全国节水工作成败。二是今后工业节水任务最重 Water-saving, never before the crowd like today. The State Economic and Trade Commission, Department of Resource Conservation and Comprehensive Utilization proposed: industrial water conservation is a key. There are three reasons: First, industry is a big city in China’s water. At present, China’s industrial water withdrawal accounts for 20% of the national water withdrawal, with up to 50% in many cities. The progress of industrial water-saving is directly related to the success or failure of water-saving work across the country. Second, the heaviest task of industrial water-saving