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。
A coal mining method with a combination of a slicing and caving, a double benefit in control of water conducted crack zone development and in reduction of coal production cost can be obtained.
对厚煤层采用分层与放顶煤相结合的采煤方法，既可控制导水裂缝带的发育高度，又可降低生产成本。
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 paper discusses the application and the effects of the coal mining method with retreating-longwall flexible shield support in steeply-inclined coal seam.
叙述了走向长壁后退式柔性掩护支架采煤法在急斜煤层中的应用及效果。
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。
Rotating coal mining method is optimized in Xinhe Coal Mine. Measures are taken so as to increase coal winning ratio and comparatively good coal winning result is achieved.
新河煤矿采用旋转法的方式进行工作面优化设计，并采取各类措施，提高工作面回收率，取得较好的回采效果。
Rotating coal mining method is optimized in Xinhe Coal Mine. Measures are taken so as to increase coal winning ratio and comparatively good coal winning result is achieved.
新河煤矿采用旋转法的方式进行工作面优化设计，并采取各类措施，提高工作面回收率，取得较好的回采效果。
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