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- lower coal group aquifer 下组煤充水含水层
- lower coal group 下组煤
- SHANXI COKING COAL GROUP CO., LTD. 山西焦煤集团有限责任公司。
- Reform Project of Wage System in Yongcheng Coal Group Co. Ltd. 浅谈永煤集团公司工资制度改革方案。
- The main roadway district of Zhaozhuang coalmine,Shanxi Jincheng Coal Group is located in medium to low mountainous area of west piedmont of the Taihang Mts. 山西晋城煤业集团的赵庄矿大巷区,地处太行山西麓中低山区,区内大面积黄土覆盖,局部基岩裸露,地表庄稼、林木较多,建筑物较为密集,浅层地震地质条件较为复杂。
- New Method of Selling and Management in Pingdingshan Coal Group Co. Ltd. 平煤运销公司营销管理新思路。
- Development of Main Fan in Taiping Mine of Panzhihua Coal Group Co., Ltd. 攀煤集团太平矿主通风机的研制。
- Discussion on Abidance Development in Pingdingshan Coal Group Co. Ltd. 关于平煤集团可持续发展问题的探讨。
- It was discovered that the gallium is more than marginal grade in content and enriched in lower coal seam and floor, and occurs mainly in diaspore. 发现样品中镓的加权平均含量超过边界品位，并在煤层下部和底板岩石中显著富集，其主要地质载体为硬水铝石。
- Powder River basin, Uinta basin of USA and Tiefa basin of China are all low coal rank basins. 通过国内外实例,分析含气量和含气饱和度在煤层气勘探评价中的作用,认为在低煤阶含煤盆地中进行煤层气勘探很有前景。
- Capital Construction Investment Risks Management and It's Audit in Pingdingshan Coal Group Co., Ltd. 平煤集团基建投资风险管理与风险管理审计。
- Operating men can do water content of red mud replying coal quantity to guarantee curing kill optrating stability arried best effect of desulphurizing and lower coal consumption. 岗位操作人员可以根据入磨碱赤泥水份查出需配入配煤比例或配煤转速,能够快速、有效地控制好固定碳指标和配煤消耗。
- Idea about Current Situation and Layout of Supply Logistics System in Yanzhou Coal Group Cor. Ltd. 关于兖矿集团供应物流现状与规划的思考。
- Methods of Enforcing Account Management of Collective Enterprise in Pingdingshan Coal Group Co. Ltd. 平煤集团公司加强集体企业财务管理的做法。
- Practice and Innovation on Management Mode of "Set Two Targets" in Jiaozuo Coal Group Co. Ltd. 焦煤集团"双认指标"管理模式的创新与实践。
- Hebi Coal Group Switches from Deficit to Profit by Since and Technology Improvement. 鹤煤集团依靠科技进步实现扭亏脱困。
- The collapsed mine belongs to Shanxi Coking Coal Group, China's biggest coal producer. 坍塌的煤矿属于中国最大的煤炭生产企业山西焦煤集团。
- Because the upper rocks are influenced after the mining lower coal, they glide along the primary bursting surface, and the upper rock layers can form surface-contact fabric by its shear and bulge function. 作者认为，下煤层开采后上覆顶板岩层受到二次扰动，其破坏移动主要是沿原有破裂面滑移，由于剪胀的作用，上覆岩层能够形成面接触的覆岩基本结构特征。
- Base on the actuality of Tiefa Coal Group Company analyze the problems above emphatically. 本文结合铁煤集团现状,着重对上述问题进行了分析。
- The No 3 turboset flow path in Jinmen thermal power plant was renovated to increase its output and lower coal occupationnal.Its reliability, security and economy were successfully increased. 摘要为了提高机组出力，降低煤耗，荆门热电厂对3号汽轮发电机组进行了通流部分节能改造，成功地提高了机组运行可靠性、安全性和经济性。
