| 1. | He has to work in coal pit
他必须到小煤窑背煤。 |
| 2. | Practices on exploring coal pit c oft by electrical prospecting technology
应用电法勘探技术勘查小窑采空区的初步尝试 |
| 3. | Ventilation and gas management during district rise passing through gob of small coal pit
火铺矿21采区2031采面排水系统的改造 |
| 4. | Today he looks clean and attractive that ' s because the small coal pit has been closed and now , he lost his job
今天他看上去很干净、很光鲜，是因为小煤窑已经被整顿关闭，他无活可干。 |
| 5. | Establishing the safe and utility orientation system of the mine personnel in coal pit is of great significance for improving the safe production management of the coal pit
摘要建立可靠实用的煤矿井下人员定位系统，对改善煤矿的安全生产管理有着重要的现实意义。 |
| 6. | Abstract : in the exploration process for harnessing and renovating local railways in shanxi , the interborehole electromagnetic wave fluoroscopy was used to search for mined - out area of coal pits , which yielded satisfactory geological effects
文摘:在山西地方铁路病害整治的勘探过程中，将电磁波孔间透视法应用于寻找煤窑采空区，取得了良好的地质效果。 |
| 7. | Selecting the formed orientation system of the mine personnel in coal pit and carrying out rational awaking system lay out design based on the specific situation is the key for establishing the economic , safe and utility orientation system of the mine personnel in coal pit
正确选择成熟的煤矿井下人员定位系统，根据具体情况合理地进行系统布局设计是成功建设经济，可靠，实用的煤矿井下人员定位系统的关键。 |
| 8. | Abstract : considering the stochastic characteristic of main hydrogeologic parameters in yuanbaoshan open coal pit , a groundwater stochastic management model for optimal drainage borehole design is established . the result of the modeling shows the effect of stochastic characteristics of hydrogeologic parameters on the result of management modeling . it was found that the higher the parameters uncertainty and the management reliability level , the worse the management result
文摘:从影响元宝山露天矿地下水疏干的主要水文地质参数随机性特征分析入手，建立并求解了元宝山露天矿疏干工程优化设计的随机地下水管理模型，揭示了水文地质参数随机性对管理模型结果的影响，认为参数的随机性越大，管理结果越坏；置信水平越高，管理结果越坏，且渗透系数和边界条件对管理结果影响最大。 |
| 9. | But because the coal market supply exceeds demand for a long time of area of the northeast and the inner mongol east , in addition the influence of some small coal pit unfair competitions and restriction of railway transportation , production capacity of hcc for a long time remains seriously surplus . enterprise resource and cost advantage can not be given full play to
但由于东北及内蒙古东部地区长期以来煤炭市场供大于求，加之一些小煤窑不公平竞争的影响和铁路运力的制约，霍煤集团公司长期以来生产能力严重剩余，企业资源和成本优势没有能够得到充分发挥。 |
