Recently, more and more attentions are given to how to make full use of spirulina in the process of sewerage and exhaust gas disposal, et al.
近年来人们越来越关注如何在污水处理、废气处理等过程中充分利用和培养螺旋藻。
2
The selection of the disposal methods of municipal sewage and the way of seperation of the old combined sewerage system need to be discussed and studied.