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冶金部于1975年11月24～29日,在南京梅山铁矿召开了无桥丝抗杂电毫秒电雷管技术鉴定会议。参加会议的有冶金、煤炭、五机部系统和中国人民解放军有关厂矿、科研和院校等43个单位83名代表。随着冶金工业的发展,矿山电气化程度不断提高,使得一些矿山杂散电流显著增加,给电气爆破带来了不安全因素。为了可靠地使用电气爆破,提
Metallurgical Ministry November 24, 1975 to 29, held at the Nanjing Meishan Iron Mine non-wire anti-hybrid millisecond electric detonator technology identification meeting. Attending the meeting were metallurgical, coal and five-machine system and 83 representatives of 43 units of factories, mines, research institutes and institutes affiliated to the Chinese People’s Liberation Army. With the development of the metallurgical industry, the degree of electrification in mines has been continuously raised, causing some mine stray currents to increase significantly, bringing about unsafe factors to electrical blasting. In order to reliably use electrical explosion, mention