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冶金部科技办于1982年5月15日至17日在长沙市主持召开了小钎杆工作载荷谱技术鉴定会。参加会议的有科研、设计、高等院校和厂矿等单位的42名代表。根据冶金部下达的“冲击凿岩破碎机理”、“钎杆生产工艺和断裂机理”的研究项目,自1979年至1982年以来,长沙矿冶研究所和贵阳钢厂、贵阳钎钢研究所合作进行了小钎杆工
Ministry of Metallurgical Science and Technology Office in May 1982 May 17 to 17 held in Changsha City, a small drill rod working load spectrum technology appraisal meeting. There were 42 representatives from scientific research, design, institutions of higher learning and factories and mines participating in the conference. According to the research project of “impact rockbolt crushing mechanism” and “drill rod production technology and fracture mechanism” issued by Ministry of Metallurgy, since 1979 to 1982, Changsha Mining and Metallurgy Research Institute has cooperated with Guiyang Steel Plant and Guiyang Brazing Steel Research Institute A small solder rod was made