In this paper, laws of mining pressure appearance are discussed.

论述了回采巷道的矿压显现规律。

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According to the field observation data, mining pressure and rock burst tendency in deep mining condition are studied.

根据现场观测数据，对深部开采条件下工作面采动压力和冲击矿压倾向进行了研究。

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The practice of bolt support in reserved coal drift in mining pressure area is introduced, helpful conclusion is obtained through observation and analyse.

介绍了煤巷锚杆支护在动压区留巷的实践，并通过观测及数据分析，得出了有借鉴意义的结论。

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And countries (generally poor ones) who have the rain forests should be compensated for protecting them, particularly when they are under so much economic pressure to open them up to mining companies.

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The workers were constructing a mining operation underground when they were hit by a high-pressure release of grout, said Bronson Mack of the Southern Nevada Water Authority, a cooperative public agency formed in 1991 to manage the water resources in a region that includes Las Vegas.

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This year, mining major Vale saw its CEO Roger Agnelli ousted due to government pressure.

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