An automatic control system for chemical injection into feed water is designed, using KMM single loop programmable controller.
设计了给水加药自动调节系统，并给出了用KM M单回路可编程调节器实现的方法。
The system is composed of single loop controller, programmable controller and power control module.
该系统由单回程调节器、可编程控制器与功率控制模块组成。
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