Adopting advancing mining which is non-advance bottom gate and raserve gate along the gob.
这是单一突出煤层开采的新途径新工艺.
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The gob machine hydraulic parallel design, the air pressure on the foot and lower stability.
本机采用空,油压并行设计, 空气压力足,下料稳定.
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It considered that the floor heave gob was the principal character of surrounding rock distortion.
得出底鼓是该类型巷道围岩变形的主要特征.
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Lastly, the paper simulates bolt timbering of the laneway along the gob.
最后, 分析模拟了沿空巷道的锚杆支护情况.
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又在歌伯与非利士人打仗,伯利恒人雅雷俄珥金的儿子伊勒哈难杀了迦特人歌利亚。这人的枪杆粗如织布的机轴。
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Numerical Simulation of the Air Leakage in the Bedding Plane of Gob in Shallow Coal Seam
浅煤层采空区层面漏风的数值模拟分析
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并通过FLUENT流体模拟软件,对采空区风流流动进行模拟,进一步对上隅角瓦斯涌出和空气幕防治上隅角瓦斯涌出的机理进行分析和验证。
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Gob of sublevel caving will not cause ground surface downgoing.
崩落法开采形成的空区不会对地表造成沉降危害。空区不用处理,可以任其冒落;
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