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METHOD OF PROTECTING COAL BED AGAINST ROCK SHOCKS AND SPONTANEOUS OUTBURSTS OF COAL AND GAS
METHOD OF PROTECTING COAL BED AGAINST ROCK SHOCKS AND SPONTANEOUS OUTBURSTS OF COAL AND GAS
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机译：煤层和煤层自发突出的煤层防护方法
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摘要
method of protection of coal-bed of mountain strokes and sudden release of coal and gas, which includes the development of a species, drilling wells, education the rocks at the end of wells creviceотл
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