水的净化

展示内容：

展示水净化的物理方法、生化方法、化学方法、综合方法。

操作方法

操控展项前面的两个装置，观察一套完整的水净化过程。

 Water Purification

Exhibit Explanation:

Show the physical method, biochemical method, chemical method and the comprehensive method of water purification.

Operating Instruction:

Manipulate the two equipments in the front of the exhibit and watch the procedure of a complete set of water purification.