Thus, the surrounding rock control in roadway roof and shoulder needs strengthening in deep tectonic regions.

深部构造区域巷道应加强顶板与肩角围岩控制。

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The phenomenon of underground pressure and principle of surrounding rock control of deep shaft coal roadway are introduced.

分析深井煤层巷道围岩变形特征和支护失效的原因，提出此类巷道的内外结构耦合平衡支护原理。

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The results show that similar simulation results are reliable and provide some theory bases for surrounding rock control in full-mechanized caving mi…

结果表明，相似材料模拟结果比较可靠，为综放采场围岩控制提供一定的理论依据。

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The muscular man is working hard to control a powerful drill that is cutting through the rock that surrounds him.

VOA: special.2009.03.23

To beat them we will need a rock steady defence, good discipline and control of the ball.

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And, I really think it was those photographs, the impact of those photographs internationally, during a time of the Cold War, when, the actuality of some of what America didn't talk about, was shown to the world, that that is what made the president act, take federal control of the Arkansas National Guard, and send paratroopers to Little Rock.

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