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耀县水泥厂矿山继使用潜孔钻后,按照国家建委建材总局七四年锦西矿山会议的精神,积极学习,大胆革新,努力实践。从一九七五年十一月起,开始了微差挤压爆破技术的试验。在厂党委、矿党支部的一元化领导下,以阶级斗争为纲,热情支持科研单位开门办科研、学校开门办学。组成以工人为主体,由干部、技术人员参加和以矿为主,四川水泥研究所矿山组、西安冶院采矿七三级毕业实践科研小组共同参加的两个三结合试验队伍。经
Following the use of submerged hole drilling, Yaoxian Cement Factory Mine actively studied, boldly reformed, and practiced in accordance with the spirit of the Jinxi Mining Conference of the National Construction Materials Bureau in 704 years. From November 1975, the experiment of differential pressure blasting technology was started. Under the unified leadership of the factory party committee and the mineral party branch, with class struggle as the keystone, we enthusiastically supported scientific research units to open doors to do scientific research and schools to open schools. The team consists of workers, mainly including workers and technicians, and mainly mines. The Sichuan Cement Research Institute’s mining team and the Xi’an Institute of Mining’s 333-graduation and practice research team jointly participated in the two three-combination test teams. through