A geological prospecting engineer a spectral analysis of ores discovered a new open-cut coalmine.
一位地质勘探工程师对光谱停止了考虑之后,呈现了新的露天煤矿.
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Unconsolidated rock road is one type of more difficult supporting roads in coal mining.
松散围岩巷道是煤矿生产中较难支护的巷道类型之一.
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The digging working face dust-settling plays a very important role in mine dust control field.
掘进工作面的降尘在煤矿井下除尘领域占有很重要的地位.
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A whitened function on different grey kinds of underground working environment is given out.
根据煤矿生产实际,应用灰色系统理论建立了井下劳动环境聚类指标体系.
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Now, more than two hundred federal safety officials are examining the mines in West Virginia.
目前, 有200多名联邦安全官员在西弗吉尼亚州检查各个煤矿的安全工作.
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结果表明：显德汪煤矿垂直应力近似等于上覆岩层的自重应力，最大主应力为北东方向，且为近水平压应力。
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Cage bushing is the important part of the flexible guidance of coal mine shaft.
罐笼衬套是煤矿竖井柔性导向的重要部件.
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刺槐、紫花苜蓿、沙打旺、藜、圆叶牵牛、狗尾草等适合作为阳泉煤矿区矸石山生态修复的植物物种。
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Astra has interests in coal mining, palm oil production, cars, banking, toll roads, IT and taxis.
阿斯特拉的业务范围包括煤矿开采、棕榈油生产、汽车、银行业、收费公路、IT和出租车。
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介绍了济宁二号煤矿箕斗装载硐室施工方案及技术.
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Due to the close bank and plentiful iron rocks this is usually a congested mine.
由于银行和充裕的密切,这是铁一般的一泓岩煤矿.
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Discussion on Establishing Coal Mine's Technical Archives Management Information System
论建立煤矿技术档案管理信息系统
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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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Coal-mining became a key industry for the Welsh, employing tens of thousands at its height.
煤矿业成为威尔士的关键产业, 在其鼎盛时期雇佣了成千上万的工人.
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