节点：下游（终端消费/应用）位置：下游情绪：利好参考度：4/10
国能榆林能源郭家湾煤矿投产国内首个500米超长综采工作面
3月30日，国能榆林能源公司郭家湾煤矿51210综采工作面正式投产，该工作面平均采高2.8米，配套支架286台，刮板输送机长度达502米，为国内首个超500米的综采工作面，标志着矿井高产高效开采取得重大突破。相较于传统工作面，超长综采工作面可有效降低万吨掘进率，减少区段煤柱留设以提升资源回收率，同Ɨ..
The complete content requires login
You can view the full content after logging in. If you don't have an account, please register first.
This Website publishes publicly available information that SMMNN deems reliable, but makes no warranty as to the accuracy or completeness of such information. The information provided by SMMNN is for reference only and does not constitute investment advice to any entity. Members of the Website shall not replace their own independent judgment with such information.
