According to the flux, water level, temperature, etc, PLC sends out command to start or stop pumps, and keeps the system in normal operation condition.
PLC根据所采集的流量、水位、温度等条件自动控制开、停泵的台数，以确保清水供水系统的正常运行。
The exit temperature buffer protected the valves and ensured the normal operation of absorption tower as well.
所提出的出口气体温度稳定器具有很好的稳定性能，既保护了阀门，又保证了吸收塔的正常操作。
Discussed the selection of gas transportation temperature, equipment selection and the gas loss during normal operation as well as accident condition.
同时对输气温度的选择、设备选择及运行和事故中的损失进行了论述。
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