论文部分内容阅读
使用留矿法的矿山为了搞好技术管理,在每开采一个分层后,都要进行一次测量工作,以便保质保量地完成生产任务。一些矿山的测量工作者,多年来都习惯采用罗盘仪进行天井和采场的分层测量。
In order to improve the technical management, a mining operation using the mineral retention method must be conducted once a survey is conducted at each level of mining so as to accomplish the production tasks in a quality and quantity manner. Some mine surveyors have been accustomed to using the compass for years to measure the delineation of patios and stopes.