The coal spontaneous combustion fire is one of main disasters in coal mine, it has seriously affected the safety of coal mine in production.

煤炭自燃火灾是煤矿的主要灾害之一，严重影响了煤矿的安全生产。

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Based on require and need of coal mine in production. Analyzed the belt conveyor existing problem. working out optimum design of according to using characters.

根据煤炭生产的要求和需要，分析了带式输送机存在的问题结合输送机使用特点，制定出了合理设计方案。

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In the future, Shenhua hopes to expand production fivefold, largely using coal from the nearby Shangwan mine.

神华希望在未来将产量翻五倍，并大量使用邻近的上湾煤矿生产的煤。

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In 1993, the government allowed private companies to mine for coal but only for captive use, as production from state-run companies was unable to meet domestic demand.

WSJ: India Panel: Cancel All Coal Permits From 1993 to 2010