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- Advancing hole is one of local prevent outburst measure at coal road heading face in coal-and-gas outburst mine. 超前钻孔是煤与瓦斯突出矿井中煤巷掘进工作面的局部防突措施之一。
- This paper briefly introduces the application of pin timbering of full coal road in "islet faces". 文章对“孤岛面”全煤巷锚杆支护技术应用做了简要介绍。
- The paper points out the existing problems of coal road bolting technology in the Datong Coalmine Group Co. and expects its applying foreground. 指出了煤巷锚杆支护技术在同煤集团应用中存在的问题并进行了分析,提出了进一步应用应做的工作。
- semi coal and rock roadway with weak floor 半煤岩软底巷道
- The deep well coal road cable of small diameter hole and high pre-tension structure and craft were studied according to the condition of high stress and composite roof in Fengcheng coal field. 结合丰城矿区高地应力、合顶板等复杂地质条件,研究深井条件下煤巷锚索采用小孔径、加高预应力的结构形式和施工工艺。
- Study on design of bolting in deep mining coal road 深井掘进巷道锚杆支护设计的研究
- Support for special thick complex roof of soft and weak semi coal and semi rock roadway in Jixi Mining Area 鸡西矿区软弱半煤岩巷特厚复合顶板支护
- Test and research on site blasting in semi coal and rock mine roadway with partings 含夹矸层半煤岩巷现场爆破试验研究
- Application of Anchor net Supporting in Driving Inclined Coal Road 锚索网支护在倾斜煤巷掘进中的应用
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- Application of Pin Timbering of Full Coal Road in "Islet Faces" "孤岛面"全煤巷锚杆支护技术应用
- 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。
- Research on Gas Emission Law in Coal Road Heading Face of Driving 煤巷掘进工作面瓦斯涌出规律的研究
- Mine Pressure Survey of Bolt Supporting at Coal Road 煤巷锚杆支护的矿压监测
- The semi drunk man regarded them with fishy eyes. 那个半醉汉迷迷糊糊地看着他们。
- He put a shovel of coal on to the fire. 他往火炉里加了一铲煤。
- Buying Signode Semi Automatic Strapping Machine. 伊朗求购半自动橡胶机械。
