operational mine

Finally, the optimal mine laying operational plan is chosen after the plan candidates being ranked by comparing the degrees of identities.(最后通过比较同一度大小，对备选方案进行排序，选取最优的布雷作战方案。)

To improve operational performance, Qiu set mine to firmly establish a leading cost management awareness, "four serious," the cost of overall strengthening of budget management.(为提高经营实绩，邱集矿牢固树立成本管理领先意识，突出“四严”，全面加强成本预算管理。)

It has merit of operational reliability and convenient use, can better realize the visual and intelligent integrated management of mine safety information, and insures mines operate on the safe side.(该系统具有工作可靠，使用方便的优点，能较好地实现煤矿安全信息的可视化和智能化集成管理，为矿井安全可靠运营提供保障。)

The application results show that this system in line with actual production operational requirements of mine hoist, and also have a good practical value.(应用结果表明，该系统符合矿井提升机实际生产运行要求，具有很好的实用价值。)

The paper summarises the operational performance of the interlock System in pit-head equipment at No. 8 shaft of Ping-Ding-Shan Mine Bureau, Henan Province.(本文总结了作者根据河南省平顶山矿务局八矿井口实际情况所设计的一套井口设施联动闭锁系统。)