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自从原煤炭部党组提出“生产、建设、多种经营”三个主体的方针以后,煤矿的多种经营、综合利用得到了迅速发展。“七五”期间,我们开始注意到,我国煤系中非金属矿产资源矿种繁多,储量丰富,分布地区广泛,有些矿产还是我国的优势资源。而且,在资源勘查、评价、开发和加工利用等方面已作了大量工作,目前已形成一定
Since the original coal ministry party group put forward the “production, construction, diversification” principle of the three main bodies, a variety of coal mines, comprehensive utilization has been rapid development. During the “Seventh Five-Year Plan” period, we began to notice that there are many non-metallic mineral resources in coal series in our country, with abundant reserves and widely distributed areas. Some minerals are also the superior resources of our country. Moreover, a great deal of work has been done on resource exploration, evaluation, development and utilization, and so on. At present, a certain amount of work has been done