曾经为国民经济建设作出重大贡献的一大批老矿山,目前已相继进入资源枯竭期,普遍存在主导产业萎缩,接续产业缺乏,接替资源不足,资金短缺,矿山负担沉重,下岗人员多,矿工生活贫困,基础建设落后,环境污染污染严重 A large number of old mines that have made major contributions to the national economy have entered the period of exhaustion of resources. There are widespread shrinking of leading industries, lack of succession industries, lack of succession of resources, shortage of funds, heavy burden on mines, many laid-off workers, and poverty of miners living in poverty. , backward infrastructure, severe environmental pollution