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为配合我部航空工业全面贯彻电气制图和图形符号新国标,本刊从这期起将连续刊登《航空电气基础标准宣贯教材》编写组同志结合航空专业电气图形特点撰写的几篇宣贯文章,供有关技术人员参阅。
In order to tie in with the Ministry of Aeronautics and Industry of China to fully implement the new national standard of electrical drawings and graphic symbols, this issue will continue to publish several articles that have been written by the Comrade Team of the “Aviation and Electrical Basic Standards Propaganda Course Materials” Comrade Combining Aviation Electrical Characteristics. For reference by relevant technical personnel.