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黑龙江省田升林业局森铁处电务连革命职工,在毛主席“备战、备荒、为人民”的伟大战略方针指引下,积极开展技术革新、技术革命的群众运动,经过多次试验,改革成功了半导体简易选号电话总机,经长时间使用效果良好。该总机适于森林铁路行车调度、养路调度、局生产指挥部调度等同线多用户自动电话通信。
Under the great strategic guideline of “preparing for and preparing for the poor and for the people” of Chairman Mao, the revolutionary staff and workers of Sen Tie Office of Tiansheng Forestry Bureau of Heilongjiang Province actively carried out the mass movement of technical innovation and technological revolution. After many tests and reforms The success of a simple selection of semi-conductor telephone switchboard, after a long time the use of good results. The switchboard is suitable for forest railway traffic dispatching, road maintenance scheduling, dispatch headquarters command line multi-user automatic telephone communication.