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在毛主席“开发矿业”的伟大号召下,我国矿山采掘工业蓬勃发展,为国家社会主义建设提供越来越多的矿物原料。很多金属矿山、非金属矿山采用了深孔爆破大量落矿的采矿方法,因而形成地下的空峒,其高度及宽度自十几米至几十米以至超过百米。由于安全上的原因,人员不能进入到这些空间内。这样就使得普通的测量方法无能为力,使地下矿房与空峒测量成为当前矿山测量的难题之一。
Under the great call of Chairman Mao’s “mining development,” the mining industry in our country is flourishing and more and more mineral raw materials are supplied to the construction of national socialism. Many metal mines and non-metallic mines use a large number of deep-hole blasting mining methods of mining, and thus the formation of underground Kongchi, its height and width from tens of meters to tens of meters or even more than 100 meters. Due to security reasons, people can not enter these spaces. This makes the ordinary measurement methods helpless, so that underground mining and empty 峒 measurement has become one of the problems of the current mine measurement.