It will be certain current significance to underground mine engineer.
对矿山地下工程有一定的指导意义。
An intelligent sensor of feed state used in underground mine was introduced.
介绍了一种适用于煤矿井下使用的智能馈电状态传感器。
The gush-out water in the mineral pit endangers the underground mine safety directly.
矿坑涌水直接危及地下矿山矿井安全，保障矿山安全渡汛是地下矿山的重大课题。
It is being housed underground at the Homestake mine in South Dakota, us.
实验在美国南达·科塔州的荷马·斯塔克(Homestake)地下矿井内进行。
Underground tunnel support of soft expansion rock is a main difficulty in mine construction currently.
松软臌胀岩层的井下巷道支护是目前矿山建设中的一个主要难点。
Installed underground coal mine.
安装煤矿井下。
Angry Birds is back with a brand new underground episode: Mine and Dine!
愤怒的小鸟又回来了，这是一个全新的地下战斗：矿井大战！
Tonglusha copper mine is a large mine with underground and surface combined mining system.
铜录山铜矿是露天与地下联合开采的大型铜矿。
The reasons and importance of setting underground protective grounding net to coal mine are introduced.
介绍了煤矿井下设置保护接地网的原因及重要性。
Drainage and mud system on underground are important safety production facilities in metal mine.
金属矿山井下排水排泥系统是重要的安全生产设施。
In the paper, the utilizations on natural energy resources in underground metal mine ventilation.
通过实例，对金属矿山通风中自然能源利用问题进行了分析和论述。
The manager was walking in a underground passage of the mine when he noticed …
当矿主在矿井的地下通道中行走时，这时他注意到…
In security management in mine, underground environment monitor and person localization are the most important.
井下的环境监测和人员定位是矿井安全管理中最为重要的环节。
The miners were trapped underground for days after the entrance to the mine collapsed.
矿井的入口处坍塌了，矿工在地底下受困好几天。
General requirements of safety and technical for underground coal mine. loW voltage power sup...
煤矿井下低压供电系统及装备。通用安全技术要求。
General requirements of safety and technical for underground coal mine. loW voltage power sup...
煤矿井下低压供电系统及装备。通用安全技术要求。
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