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- Excavate coal subside seeper area is the special component of the surface water in Huainan. 摘要采煤塌陷积水体已成为淮南市一种特殊的地表水体。
- Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning. 采煤是煤矿生产中的主要生产环节,因而编制采煤工作面接替计划对煤矿生产具有指导性意义。
- compositive mechanical excavate coal 综合机械化采煤
- This technology fits abroad excavating coal mine because of its high veracity. 该技术有较高的准确率,适用于煤矿采区。
- The cutter of the coal mining machine bears dynamic load varying with time during excavating coal. 采煤机截齿截割煤体时,截齿承受随时间而变化的动载荷。
- In order to enhance the efficiency of excavating coal, Beishan coalmine attempts to adopt millisecond delay direct initiation at working face. 百善煤矿为提高采煤效率,尝试在采煤工作面实行毫秒延期反向起爆。
- Landscape ecological architecture in excavated coal diggings is one of attention-getting hotspots international society. 采煤矿区景观生态设计是目前国内外关注的热点之一。
- This paper,by a practical example,presents a new kind of drilling technological process in the bedrock with excavating coal gob. 通过工程实践,掌握了在煤矿采空区进行基岩钻探所采用的钻探工艺及分析岩层破坏变形的钻探试验方法。
- The great undulating of soleplate of the third coal layer in Wangping well field badly influence exploiting disposal and excavating coal laneway. 针对王坪井田3号煤层底板起伏变化大,严重影响开拓及采煤巷道布置的现状,利用趋势面分析的方法,分析了井田内的构造展布规律。
- It discussed the method to design,manufacture and use fixed installation protruding hob to process milling front cylindrical gear of excavating coal machine. 论述了设计、制造和使用固定安装突起滚刀加工采煤机磨前圆柱齿轮的方法。
- In excavating coal,the laneways will be distorted and damaged.By analyzing the causes we can find out reasonable control methods to protect the laneways. 巷道受到采动影响后,将产生各种各样的变形与破坏,分析影响巷道变形破坏的主要原因,就可对巷道采取合理的控制方法。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- She piled on more coal before the fire go out. 在火熄灭之前她又加上些煤。
- I add the coal on the flame continuously. 我不断朝火里添加煤炭。
- They are ventilating the sap of a coal mine. 他们正在使煤矿坑道通风。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- Excavate an archaeological site. 挖掘考古现场
- By the view point of rockmass structure ,the author believes that water-burstings of karst collapse column result from rifts process because of water dynamic and press of excavated coal. 并从陷落柱岩体结构力学特征入手,分析了陷落柱导突水原因及影响因素,探讨其突水机理。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- I let him excavate around the mine... 我准许他在金矿周围挖掘...
