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在毛主席关于“独立自主,自力更生,艰苦奋斗,勤俭建国”的方针指引下,以大庆工人为榜样;有条件要上,没有条件创造条件也要上的革命精神,我厂子一九七一年开始进行三埚三相无芯工频感应电炉的试炉工作。在试炉过程中,“实践、认识、再实践,再认识”,经过八个月二十四次试炉,克服了重重困难,于一九七二年试炉成功。一九七三年四月制成0.5吨三埚三相无芯工频
Under the guideline of Chairman Mao’s principle of “independence, self-reliance, hard work and thrift, thrift and nation-building,” taking the workers in Daqing as an example, we should have the necessary conditions to create the revolutionary spirit that should be conditioned on. Our factory started in 1971 Three crucibles three-phase coreless frequency induction furnace test furnace work. In the trial process, “practice, understanding, re-practice and re-understanding” was adopted. After a trial of 24 rounds of furnaces in eight months, numerous difficulties were overcome and a successful trial of the furnace was carried out in 1972. April 1973 made 0.5 tons three crucible three-phase coreless frequency