Various transducers are involved in sewage treatment process while most of the transducers are unique to this process These transducers offer dedicated state information of one or more variables.

• 污水处理过程涉及多种传感器,多数传感器是污水处理过程所特有的,分别为人们提供所监视的某一个或多个特定变量的状态信息。