西鞍山铁矿关键隧道顺利贯通

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近日，鞍钢西鞍山铁矿核心工程取得里程碑式突破——全长5420米的运输通道在国产定制化硬岩掘进机“基石号”TBM（全断面隧道掘进机）的精准掘进下顺利掘砌到底，标志着这项历时两年的国家级矿产资源保障工程地下攻坚任务圆满收官，为我国战略性矿产资源安全供应筑牢“生命线”。通道顺利贯通，为后续矿产开采、运输系统高效运转奠定了坚实基础，将推动矿山智能化、机械化水平迈上新台阶，更将为我国矿业高质量发展注入强劲...

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