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1991年11月28日至12月17日我们赴苏联国立列宁格勒矿井设计院对“大型矿井开拓布置及计算机应用”专题进行技术交流,苏方向我们介绍了近年来编制的二部特大型矿井可行性研究报告和一个矿区选煤厂初步设计的工业场地总平面布置,现简介如下:一、概况沃尔加绍尔斯克1号井、4号井和姆里达中央选煤厂位于苏联北部北纬60度地区伯朝拉煤田,该区常年冻结期长7个月,最低
From November 28 to December 17, 1991, we went to the National Leningrad Mine Design Institute of the USSR for technical exchange on the topic of “Opening up large-scale mine layout and application of computers”. The Soviet Union briefed us on two large-scale mines prepared in recent years Feasibility Study Report and a preliminary design of a coal preparation plant coal mine general layout of the industrial site are as follows: I. Overview Volga Szarssk Well No. 1, No. 4 well and the Central Merida coal preparation plant in the northern part of the Soviet Union Putra pull coalfield in the latitude 60 degrees north latitude, the area has a perennial freeze period of 7 months, the lowest