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中煤协会支护【2015】6号各有关单位:为总结、交流煤矿支护理论、创新科技成果和经验,推广应用国内外煤矿支护新技术、新工艺、新设备,中国煤炭工业协会煤矿支护专业委员会已经连续开展了八届有奖征文活动,得到了高校、科研院所、煤矿及支护产品生产企业的科技工作者的大力支持,推动了煤矿支护的改革与发展。经研究决定,2016年继续开展第九届“天津振华
China Coal Association support 【2015】 6th Relevant units: In order to summarize and exchange coal mine support theory, innovation and scientific achievements and experience, to promote the use of domestic and foreign coal mine support new technologies, new processes, new equipment, China Coal Industry Association Coal Mine Support Professional Committee has conducted eight consecutive essay prizes, has been the universities, research institutes, coal mines and support products manufacturing enterprises of science and technology workers to support and promote the reform and development of coal mines support. After research and decision, in 2016 continue to carry out the ninth ”Tianjin Zhenhua