The drainage system in Qingxi Hydropower Plant originally adopted conventional relay control for its pump control system, which had many hidden troubles and resulted in multiple failures.
青溪水电厂排水系统的水泵控制系统原设计采用旧式常规电动机控制系统，投入运行后多次出现故障，存在许多安全隐患。
On effecting a command the multiple devices relay back, through the server, an image representative of the result of the processing of that command to the control device for display.
在实现命令时多个设备通过服务器将表示该命令的处理结果的图像转送回到控制设备以进行显示。
On effecting a command the multiple devices relay back, through the server, an image representative of the result of the processing of that command to the control device for display.
在实现命令时多个设备通过服务器将表示该命令的处理结果的图像转送回到控制设备以进行显示。
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