可编程序控制器是一种数字式的电子装置。
Programmable logic controller is a sort of digital electronic equipment.
用准备好的程序控制机床，这种工作方式称为数字控制。
Controlling a machine tool by means of a prepared program is known as numerical control.
用准备好的程序控制机床，这种工作方式称为数字控制。
Controlling a machine tool by means of a prepared program is known as numerical control.
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