很久以前.乡村人们的日常用水都要拿着水桶去河里挑水.许多同学可能会觉得奇怪,为什么不用自来水呢?因为那个时候农村还没有自来水,生活用水都得从河里取,后来人们在院里挖了井,就不用每天去河边挑水了.直到近几年,随着新农村的发展,一些农民才用上自来水.现在,同学们觉得自来水很常见,但你们知道自来水是怎么来的吗?对,自来水是从自来水厂来的.那么,自来水厂是如何净水的呢?下面就为同学们简单地介绍下自来水厂的净水过程. A long time ago, people in rural areas used water buckets to carry water in their daily water. Many students may wonder why they do not need tap water. Because at that time there was no running water in rural areas, domestic water had to be taken from the river and later people It is not necessary to go to the riverside to carry water every day until digging a well in the yard, and until recent years, some peasants have tap water only with the development of a new countryside. Nowadays, students think running water is common, but you know that running water is How come? Right, tap water is coming from the water plant. So, how is the water plant water? Here is a brief introduction to the students under the water plant water purification process.