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一、绪言在去年的现场生产者会议上做了关于“明延矿智惠门矿脉下部斜坡道的掘进”的中间报告。当时,该工程正以比预定进度快的速度在进行,并于去年年末完成,从而实现了以汽车运输的斜坡道运输系统。因此,目前正在快速开发西部地区的以智惠门矿脉群为中心的下部矿脉。特别是由于无轨运输技术的发展,目前正在计划以机械化分层充填采矿法开采脉状矿床。在东部地区,各矿脉上部的高品位铜、
I. INTRODUCTION An intermediate report on the “tunneling of the lower slope of the Zhihui Mianlei vein at Mingyan Mine” was made at last year’s on-site producer conference. At that time, the project was proceeding at a faster pace than scheduled and was completed by the end of last year, thus realizing the ramp transport system by car. As a result, the lower veins in the western part of the country that are mainly centered on the Chi-Huimen vein are currently being rapidly developed. Especially due to the development of the technology of trolley-less transport, the exploitation of vein deposits by mechanized stratified charging mining is currently being planned. In the eastern region, the high grade copper in the upper part of each vein,