某煤矿矿井技术改造工程可行性研究报告

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4、aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaahF目录前言1第一章技改项目情况6第一节井田概况6第二节矿井建设的外部条件8第三节矿井建设的资源条件10第二章井田开拓17第一节井田境界及储量17第二节矿井设计生产能力及服务年限18第三节矿井开拓及开采19第四节井筒及主要巷道特征21第五节井下开采23第三章运输及设备28第一节运输方式的选择28第二节矿车28第四章矿井通风与安全37第一节概况37第二节矿井通风37第三节灾害预防及安全装备51第五章通风、提

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