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.

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The Radio frequency communication irreplaceable makes mobile communication realized in underground mine.

射频通信无可替代地实现了矿山井下的移动通信.

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Some experiences on stope roof management in metal underground mine are introduced.

介绍金属地下矿山采场顶板管理的几点经验.

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A new - hydraulic two - way open differential door which have been used in underground mine is introduced.

介绍一种在地下矿山通风系统已得到应用的新型电液双开差动式风门.

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The result indicates the parameter of underground mine abide by some probability distribution.

结果表明,井下生产的一些参数各服从于某种概率分布.

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The stability of boundary pillar can be found across in open pit and underground mine shifting.

露天地下开采隔离层稳定性分析是矿山中经常遇到的问题.

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The paper introduced a new developed long distance control system for ventilation door in underground mine.

介绍一种新研制的煤矿井下自动风门远程控制系统.

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