保护生命之水是一项长期的系统工程,需要不断探索、借鉴和完善。他山之石可以攻玉。成都、北京和深圳之举或许能给我们以启迪——从2002年起,成都市以污水管网改造为重点,大力加强城市水环境综合治理,使城市水环境得到较大改善,推动了成都经济社会全面、协调、可持续发展。一是 Protecting the water of life is a long-term systematic project that requires constant exploration, learning and improvement. Stones from other hills, can learn. Chengdu, Beijing and Shenzhen may give enlightenment to us - Since 2002, Chengdu has focused on the transformation of sewer networks, vigorously strengthened the comprehensive treatment of urban water environment, greatly improved the urban water environment and promoted the development of Chengdu Economic and social comprehensive, coordinated and sustainable development. One is