The PLC technique is primarily used in sequence control.

plc技术原主要用于顺序控制方面.

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With phase sequence control to prevent motor reversal due to the adverse consequences.

配有相序控制器,可防止因电机反转所造成的不良后果.

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WANG Zhi - xiang. Thermodynamic protection and sequence control [ M ]. Beijing: China Electric Power Press, 2001.

王志祥. 热工保护与顺序控制 [ M ]. 北京: 中国电力出版社, 2001.

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The catalyst auto - continuous addition was realized by using the CENTUM sequence control function.

利用CENTUM集散控制系统的顺序控制功能,即可实现催化剂自动连续补加.

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This document is to describe the test requirements of the sequence control system SCS.

这份材料描述了顺序控制系统得测试要求.

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