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本文介绍采用STD—BUS工业控制机及IBM－486实现对并群供水设备的遥控、遥测、遥信（即三造系统），并着重介绍系统中的远距离通讯手段及数据传输的可靠性处理方法。
This article introduces the use of STD-BUS industrial control machine and IBM-486 to achieve remote control, telemetry, remote communications (ie, three systems), and focuses on the system of long-distance means of communication and data transmission reliability method.