节水是我们每个人耳熟能详的环保观念,今年春,西南地区历史罕见的特大旱灾,再次唤醒了人们的节水意识。在大多数人的认识里,节水就是珍惜每一滴水、节约使用每一滴水。其实,节水的概念远不止于此。日常生活中,像关紧水龙头、循环利用废水等行为节约的只是你看 Water conservation is a familiar concept of environmental protection that everyone in our country is familiar with. This spring, the unprecedented drought in southwestern China once again aroused people’s awareness of saving water. In most people’s understanding, saving water is to treasure every drop of water, saving every drop of water. In fact, the concept of water conservation goes far beyond this. In everyday life, saving money like turning off faucets and recycling waste water is just what you see