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为了满足冶金工业迅速发展的需要,从七十年代开始,有关部门抓了以牙轮钻机、电铲、电动轮为主体的大型成套设备的攻关。经过各方面的努力已取得显著成绩,年产一千万吨的大型露天矿山机械设备已基本突破,为矿山的发展创造了良好的条件。加强矿山开发是钢铁、有色金属工业发展的重要环节。中央领导同志指出:开发地下资源,要实
In order to meet the needs of the rapid development of the metallurgical industry, starting from the seventies, relevant departments caught the tackling of large-scale complete sets of equipment mainly including roller-drills, shovels and electric wheels. After all efforts have made remarkable achievements, an annual output of 10 million tons of large-scale open-pit mining machinery and equipment has been basically a breakthrough for the development of the mine has created good conditions. Strengthening mine development is an important link in the development of iron and steel and non-ferrous metal industries. The central leading comrade pointed out: To develop underground resources must be real