The oil field waste water automatic treatment system comprises automatic dosing, automatic blow-down and automatic back washing.
油田污水处理自控系统主要包括自动加药、自动排污、自动反冲洗三部分。
Analyses problems of boiler regularity blow down control system which is controlled by relay, describes control process and characteristic of the system using PC.
分析了利用继电器实现锅炉定期排污控制系统存在的问题，阐述了采用PC机改进后的该系统控制过程及特点。
Analyses problems of boiler regularity blow down control system which is controlled by relay, describes control process and characteristic of the system using PC.
分析了利用继电器实现锅炉定期排污控制系统存在的问题，阐述了采用PC机改进后的该系统控制过程及特点。
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