The coal spontaneous combustion is one of the serious mine disasters.

煤炭自燃是矿井严重的灾害之一.

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Coal spontaneous combustion seriously threats the safety of coal industry.

煤自燃火灾严重威胁着煤炭工业的安全.

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Coal spontaneous combustion is one of disaster in Yima coalfield.

煤炭自燃是义马煤田主要灾害之一.

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The coal spontaneous combustion in the goaf is one of the main coal disasters.

采空区煤炭自燃火灾一直是我国煤矿的主要灾害之一.

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Coal spontaneous combustion is one of the big disaster in the coal product.

矿井煤自燃火灾不仅造成大量的煤炭资源损失,而且严重威胁煤矿的安全生产.

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Effect of petrographic composition on coal spontaneous combustion has been studied in this report.

本文研究煤岩成分对煤炭自燃的影响,认为镜质组自燃,壳质组和惰性组不易自燃.

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This paper reviews the current achievements of research on risk assessment index of coal spontaneous combustion.

综述了煤层自然发火危险性评价指标的最新研究成果.

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