coal-mining method的意思|示意

From the theoretical and experimental study, the paper made a brief analysis of the advancing coal mining method affected on coal and gas outbursts.

从理论和试验研究两方面浅析了前进式采煤法对煤与瓦斯突出的影响。

The method and measure to detect the fault and coal seam in construction of No 12 mining area in the Chen Mine, Yongcheng is introduced.

介绍了在永城车集矿12采区工程施工中，如何解决井下探测断层与煤层的方法与措施。

The paper studied the gateway layout, the sectional top coal height and the coal mining technology of the coal mining method. Then the gateway and pillar top coal caving technology was developed.

对该采煤方法的巷道布置、阶段顶煤高度以及回采工艺进行了研究，形成了巷柱式放顶煤开采技术。

This paper introduces the advantages and disadvantages of each coal mining method in the thick seam, and connecting with the features of Wangjialing Mine, selects the appropriate coal mining method.

介绍了各种厚煤层采煤方法的优缺点，并结合王家岭矿井特点，选择了合适的采煤方法。

The actual application of the irregular mining method "tree branch form" mining method in the coal pipe is introduced.

介绍了非正规采煤法“树枝状”采煤法在极薄煤层开采中的实际应用；

The impacts on the security of Xifeihe River left embankment under coal mining are evaluated with elastoplastic model, two-exponent rheological model and probability integral method.

然后利用数值模拟软件中的弹塑性模型和流变模型及概率积分法开展煤层开采对西淝河左大堤安全的影响评价。