继电器电路是以继电器为主控元件的电路,在邮政机械设备中应用比较广泛。本文向大家介绍怎样看继电器电路图。电路图中的图形符号,是沟通设计、施工、维修三者思想的“语言”。本期封三和封底的表中列出了邮 Relay circuit is the relay as the main control circuit components in the postal machinery and equipment more widely used. This article shows you how to see the relay circuit diagram. The graphical symbols in the circuit diagram are the “language” of the three ideas of communication design, construction and maintenance. The current closure of three and back cover the list of the mail