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南山铁矿凹山采场是一个大型露天铁矿,并已开始向凹陷露天矿过渡。矿山开采深度大,边坡线较长,目前已暴露出的固定边坡尚有一千多米没有处理,随着掘沟工程的进行,暴露的固定边坡又不断增加。为了合理地解决边坡稳定性问题,确保生产顺利进行,于1975年9月,由凹山车间工人、干部、技术人员和马鞍山矿山研究院科技人员组成了预裂爆破三结合试验组。试验组同志在矿党委的一元化领导下,遵照伟大领袖和导师毛主席关于“我们必须打破常规,尽量采用先进技术,在一个不太长的历史时期内,把我国建设成为一个社会主义的现代化的强国”的教导,坚持以阶级斗争为纲,坚
Nanshan Iron Mine The worksite is a large open-pit iron ore mine and has begun its transition to a pit open pit. The mine has a large mining depth and a long slope line. At present, there are over a thousand meters of fixed slopes that have been exposed. As the trenching project progresses, the exposed fixed slopes continue to increase. In order to solve the problem of slope stability reasonably and ensure the smooth progress of production, in September 1975, the workshop, the cadres, the technicians and the technicians of the Maanshan Institute of Mining made up the pre-split blasting combination test group. Under the unified leadership of the coal mine party committee, the experimental group comrades follow the guidance of Chairman Mao and the great leader and mentor: “We must break the routine, try to adopt advanced technology, and build China into a socialist modernization Power ”, adhere to the class struggle as the key link, Kennedy