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开滦煤矿唐山矿工人和唐山煤炭研究所科技人员,在“九大”团结,胜利的旗帜指引下,在七十年代的第一个春天,在波烂壮阔的增产节约群众运动中,高举《鞍钢宪法》的光辉旗帜,实行以工人为主体的“三结合”,自力更生,艰苦奋斗,破除迷信,解放思想,奋战四个多月,在基本上掌握了煤矿顶板来压规律的同时,自行设计、自行制造试验成功了煤矿顶板安全警报器,为保证煤矿安全生产提供了一项有效措施。
In the first spring of the 1970s, Tangshan miners from Kailuan Coal Mine and Tangshan Coal Research Institute scientifically and technically held high the banner of “nine” unity and victory in the first spring of the seventies in the sprawling mass production and conservation campaign, Anshan Iron and Steel “constitution of the glorious banner, the implementation of the workers as the main” three combinations ", self-reliance and arduous struggle, get rid of superstitions, emancipate the mind, fighting for more than four months, basically mastered the coal mine roof pressure rules at the same time, , The successful manufacture of coal mine roof safety alarm, in order to ensure the safety of coal production provides an effective measure.