一旦雷电击中电线，高压电会瞬间烧坏abs料烘干机电气部件，甚至有可能对ABS料烘干机操作工造成伤害事故。

Once the lightning hit the wire, high voltage electrical components can instantly burn ABS material drying machine, and may even cause injury accidents of ABS material drying machine operator.

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本文介绍PLC在供水控制系统中的应用，阐述了根据控制电路组成及操作工艺要求，进行的电气原理图设计和系统程序设计。

This paper introduces the application of PLC in water supply control system, explains the design of the electric principle diagram and the system program design.

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