What about process control lines and equipment? How should they be shown? You can either draw the lines lighter or slash them.
关于工艺控制线路和设备呢?怎样表达它们? 你们可以用细线或者虚线。
Certain process structure can be viewed as a graph. Nodes in it indicate activities and lines denote direction control.
确定型的流程结构可以看成是一个图，图中的点表示流程活动，边表示流程流向控制。
This article presents the auto - control of the technological process of ultrasonic cleaning in the coating lines, the selection and programming of the PLC are also introduced.
介绍了超声波清洗机在涂层生产线上的自动化工艺流程控制和PLC选型及编程。
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