冶金工业是全国用水的大户。大中型冶金企业每年用水总量即达90多亿吨,在重工业各部门中居前几位。我国按人口平均的河水径流量还不到世界平均值的四分之一。全国有100多个城市缺水,每天缺水880万吨左右。重点冶金企业所在的一些北方城市,大都属于缺水城市。胨云同志指出,“一吨钢要多少水,水资源的问题已经摆 Metallurgical industry is a large household water. Large and medium-sized metallurgical enterprises consume more than 9 billion tons of water a year, ranking the top among all departments in the heavy industry. China’s average population by river runoff is less than a quarter of the world average. There are over 100 cities in the country lacking in water, with a daily water shortage of about 8.8 million tons. Some of the northern cities where key metallurgical enterprises are located are mostly water-scarce cities. Peptone Yun comrades pointed out that "how much water a ton of steel, water problems have been placed