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METHOD OF FIGHTING ROCK BURSTS IN MINE WORKING
METHOD OF FIGHTING ROCK BURSTS IN MINE WORKING
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机译:矿山工作中的岩爆防治方法。
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the way to deal with a mountain in the mountains, including threading in the surrounding rocks of unloading cracks and filling their putty material, remember щийс теы thatin order to повыщени effici
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