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mine pit

mine pit

mine pit

mine pit

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Article 7 Coal enterprises shall apply for a coal production license for every mine (pit ).

第七条煤矿企业应当以矿（井）为单位，申请领取煤炭生产许可证。

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Discusses the design technology of constructing high production and highly effective modernization mine pit

浅谈建设高产高效现代化矿井的设计优化

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Deficiency Evaluation on Wear and Tear of the Impeller of the Main Ventilator in Mine Pit

矿井主通风机叶轮磨损失效的评价

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The Collective Dose Estimation in Evaluation Region around Bone-coal Mine Pit and Bone-coal Power Station

石煤矿井与石煤电厂周围环境评价区集体剂量估算

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Exchange Mine Pit Elevator Automatic System and Braking System Exploration

交流提升机自动系统和制动系统的探索

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Electrically Operated Air Throttle in Mine Pit Air Throttle System Application

电动风门在矿井风门系统中应用

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Applied and Analysis of Newly Built Mine Pit Water Supply System Velocity Modulation Water Pump

新建矿井供水系统调速水泵应用分析

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Accurate Calculation of Exterior Leakage of Exhausting Ventilator in Mine Pit

抽出式通风矿井外部漏风率的正确测算法

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Ground Centralized Control System of Rubberized Tape Conveyer in Mine Pit on Basis of Delphi Program Technique

基于 Delphi 编程技术的井下带式输送机地面集中控制系统

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Application of Gyroscope Orientation in Mine Pit Relation Survey

陀螺经纬仪定向在矿井联系测量中的应用

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Research of Mine pit Security Production Technology

矿井本质安全型生产技术的研究

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Study on Fast Detection of Short Circuit Current in Underground Mine Pit

井下短路电流快速检测的研究

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Study on the Size Effect in the Propagation of Gas Explosion in Mine Pit

矿井瓦斯爆炸传播的尺寸效应研究

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Health Investigation of Assistant Worker in Coal Mine Pit

煤矿井下辅助工健康状况调查分析

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Process Design on Treatment of Mine Pit Water with High SS Content

高悬浮物矿井水处理工艺设计

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