the coal mining method
the coal mining method网络翻译
清水井田煤层赋存状态及采煤方法_建筑科学论文 关键词:煤层 , 赋存状态,采煤方法 [gap=267]Keywords: coal seam, the form of occurrence, the coal mining method
the coal mining method双语例句
A high or low coal recovery rate of the top coal caving mining is related to the key technology of the coal mining method to be widely applied.
放顶煤开采煤炭回收率的高低是关系到能否推广这种采煤方法的关键技术。
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。
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。
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