SIMATICS7-300控制系统在水处理剂生产中的应用
李文华
Design and application of SIMATIC S7-300 control system to the production process of water treatment chemicals
Li Wenhua
工业水处理 . 2003, (1): 58 -61,62 .  DOI: 10.11894/1005-829x.2003.23(1).58