underground mine
地下矿井：指从地下开采有经济价值的矿物或其他物质的活动。
常用释义
英式发音
美式发音
基本释义
- 地下矿井：指从地下开采有经济价值的矿物或其他物质的活动。
例句
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1·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。
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2·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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3·Makeng Mining is now the largest single magnetite ore underground mine in China.马坑矿业已成为我国最大的单体井下磁铁矿。
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4·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。
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5·The underground mine goaf is not only a kind of hidden danger, But also a kind of resource.地下采空场既是一种隐患，又是一种资源。
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6·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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7·Provincial certification as an underground mine supervisor, shift boss, or coal mining supervisor may be required.地下矿监，值班班长，或煤矿主管需要省级认证。
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8·African Copper is studying plans to develop an underground mine in order to exploit deeper sulphide mineralisation.非洲铜业公司正在研究开发地下矿的方案，以期能开采较深的含硫矿物。
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9·Air leak and dust pollution in ore drawing through long pass in underground mine threaten the underground prodution safety.地下开采矿山高溜井卸矿过程中的漏风及粉尘污染威胁矿山井下的安全生产。
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10·Taking 18 sets of parameter data of underground mine as training and testing samples, the ratio of mis-discrimination is 0.对18组地下矿山的特征参数值作为学习样本进行训练和检验，回判估计的误判率为0。