为有源头清水来──记烟台市全国环保先进青年企业家于德利本刊记者王明远特约通讯员杨圣霞水是生命之源，它覆盖了地球７０％的表面积，滋润着地球，孕育了无数生命。而可供工农业生产和民众生活饮用的淡水资源仅占全部水量的２．５３％，且分布极不均匀，据科学家预言，... As an active source of clean water ─ ─ remember Yantai City, the young environmental protection advanced young entrepreneurs Yu Deli reporter Wang Mingyuan correspondent Yang Shengxia water is the source of life, which covers 70% of the Earth’s surface area, nourishing the Earth, gave birth to numerous lives. The freshwater resources available for industrial and agricultural production and public life consume only 2.53% of the total amount of water, and the distribution is extremely uneven. According to scientists’ predictions, ...